ERHARD is a company of. Data sheet ERHARD butterfly valves

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1 ERHR is a company of ata sheet

2 the overview This table contains the most important specifications for the standard products in the ERHR butterfly valve range (IN EN 593). Numerous other options are available on request. by nominal sizes and pressure ratings N >= PN PN 6 ERHR ROCO Premium PN 25 PN 4 ERHR EK butterfly valves ROCO ROCO Premium EK Nominal size N Pressure rating PN Face-to-face dimensions IN EN 558 asic line 4 Flange IN EN 92- Type 2 G Falnge IN EN 92-2 Type 2 G ody and valve disc material Spheroidal graphite cast iron EN-JS 3 Spheroidal graphite cast iron EN-JS 25 Spheroidal graphite cast iron EN-JS 5 ody corrosion protection ll-round EK / Cr steel seat 7 Inside vitreous enamel, outside EK / vitreous enamel seat Valve disc corrosion protection ERHR EK fusion bonded epoxy Enamel up to N 4 PN 6 ERHR Pro-Enamel Main seal Valve disc butter lined all round 8 Profiles sealing ring butter lined all round Profile ring and clamping ring Sealing materials EPM KTW W27 Perbunan (NR) 2 2 Viton (FPM) PU (PUR) Shaft material: ferritic Cr steel Connection between shaft and valve disc Polygon shaft hub connection Key with key securing device ronze bearing bushes Lag P (PTFE) bearing bushes erbuchsen P (PTFE) Screws External and internal 2 External 2 and internal 4 Gearbox Travelling-nut type gearbox (SP) Slider crank mechanism (SK/SKG) Standard available on request ) PN available for N 2 and larger 2) Profile ring and separate clamping ring Cr steel 3) for N and larger 4) for N 8 and larger 5) for N 7 and larger 6) for N 6 and larger 7) additionale seat Cr steel 8) PN 25 N

3 ERHR ROCO Premium butterfly valve The butterfly valve with the innovative details The ERHR ROCO Premium butterfly valve as a logical and consistent development of the that have been tried and tested for many years stands for highest quality in the nominal sizes N 8 to 6. Perfect solutions ensure outstanding product properties with respect to operating safety, durability and cost effectiveness: Polygon shaft-hub connection [] between shaft and valve disc with shut valve eye and 2 % more torque reserves. Safe sealing using a rolled up, solid seat ring made of stainless steel or in the enamelled version, it sits directly on the smooth vitreous enamel. Fully rubberised EPM clamping ring [2] which simultaneously serves as a sealing element, can be easily readjusted and, if necessary, can be easily replaced at any time. Encapsulated and therefore not touched by the medium shafts [3] ouble-eccentrically supported valve disc with optimised flow performance. Slider crank mechanism with optimal movement kinematics which corresponds almost exactly to the characteristic curve of the valve IN EN 558 basic line 4; optional face-to-face dimension basic line 5 and bypass N 4 to N

4 ERHR ROCO Premium butterfly valve the overview rief specifications utterfly valve according to IN EN 593 materials and finishes ody: spheroidal graphite cast iron EN-JS 3 ody seat: ERHR EK design: austenitic Cr-Ni steel Valve disc: soft-sealed, with double eccentricity support, made of spheroidal graphite cast iron EN-JS 3, Valve shaft: ferritic Cr steel Shaft bearing: bearing bronze in accordance with IN 593 TG and rinking Water Regulations, maintenance-free Shaft seal: elastomer Profiled sealing ring: rubberised (EPM or NR rubberised), steel-reinforced, optional Viton profile ring Screws: with contact with media 4, external 2 SKG slider crank mechanism: degree of protection IP68 Gearbox body: grey cast iron EN-JL 4 / EK Gearbox crank: steel / black-finished Stem nut: special brass Stem: ferritic Cr steel Handwheel: steel / EK Gearbox configuration: standard according to page 2/ figure Corrosion protection of the body parts: heavy-duty corrosion protection in accordance with quality assurance RL-GZ 662 (GSK), at least 25 μm, ERHR EK fusion bonded epoxy coating, optionally with ERHR vitreous enamelling (colour blue ) on the inside (body resp. body and valve disc) or fully enamelled with ERHR Pro-Enamel. Further coating variants are possible, we will be happy to advise you Operating instructions 5E2_ROCO Premium handbetaetigt_n5-6 5E3_ROCO Premium E_N5-6 5E4_ROCO Premium ohne ntrieb_n5-6 reas of use PN 6 N Water up to max. 6 C Test pressure in bar according to IN EN ody 7, 25, Closure, 7,6 Largest allowable working pressure in bar, 6, Gas up to max. 6 C rea of use and tests for use in... Gas pipes according to IN 247, Part > Pressure tests according to IN 323, Part 5, PG Gas supply systems according to IN 3 692, Part > Pressure tests according to IN 323, Part 5, PG 3 4

5 ERHR ROCO Premium butterfly valve the dimensions table N PN L h h h h2 b e e2 e3 e3 e3 e4 e5 e6 e6 e6 d d2 G G G u RZ HR E RZ HR E E RZ HR E RZ HR HR RZ E HR ERHR ROCO / / / ERHR ROCO Premium imensions used L [mm] face-to-face dimensions [mm] flange G [kg] weight u handwheel revolutions (Open/Close) RZ with round trunnion HR with handwheel E with electric rotary actuator (dimensions can vary depending on the actuator manufacturer) b e d h h h2 h2 h2 e2 e3 b e e2 e3 d2 b e e2 e3 h L e4 e6 L e4 e6 e5 L e4 e6 5

6 ERHR ROCO Premium butterfly valve dismantling type the overview rief specifications utterfly valve according to IN EN 593 materials and finishes ody: spheroidal graphite cast iron EN-JS 3 / vitreous enamel ody seat: ERHR vitreous enamelling Valve disc: double eccentricity support, made of spheroidal graphite cast iron EN-JS 3, EN-JS 3 enamelled on request Valve shaft: ferritic Cr steel ushing for shaft: St / Sn / PTFE, maintenance-free, in stainless steel / PTFE or bronze / PTFE on request Shaft seal: elastomer Profiled sealing ring: St 37 / elastomer, rubberised (steel-reinforced) Screws: with contact with media 4, external 2 SKG slider crank mechanism: degree of protection IP68 Gearbox body: grey cast iron EN-JL 4 / EK Gearbox crank: G / steel / black-finished Stem nut: special brass Stem: ferritic Cr steel Handwheel: steel / EK Gearbox configuration: standard according to figure Corrosion protection of the body parts: Enamel, ERHR EK fusion bonded epoxy coating, internal with ERHR vitreous enamelling, colour blue. Further coating variants are possible, we will be happy to advise you. 6

7 ERHR ROCO Premium butterfly valve dismantling type the dimensions table N PN L h h h h2 b e e2 e3 e3 e3 e4 e5 e6 e6 e6 d d2 G G G u RZ HR E RZ HR E E RZ HR E RZ HR HR RZ E HR ERHR ROCO Premium / / / / / / / / / / / imensions used L [mm] face-to-face dimensions [mm] flange G [kg] weight u handwheel revolutions (Open/Close) RZ with round trunnion HR with handwheel E with electric rotary actuator (dimensions can vary depending on the actuator manufacturer) b e d h h h2 h2 h2 e2 e3 b e e2 e3 d2 b e e2 e3 h L e4 e6 L e4 e6 e5 L e4 e6 face-to-face dimension dismantling type butterfly valve Mobility of the loose flange - mm to +5 mm face-to-face dimension flange valve standard 7

8 ERHR EK butterflyvalves The tried and tested butterfly valve for large nominal sizes and pressure ratings The used for many years cover with nominal sizes between N 7 and 36 [] and pressure ratings from PN to PN 4 a wide range of applications. Proven details ensure reliable quality and a high degree of cost-effectiveness: rive shaft and bearing pin are supported in maintenance-free, self-lubricating plain bearings and hence are highly resilient [2] Connection between drive shaft and valve disc with proved and robust key connection for force transmission without play even under the highest stresses [3] Main seal through profile ring that is clamped onto the valve disc and fixed with a clamping ring ouble-eccentrically supported valve disc with optimised flow performance Sliding crank mechanism with optimal movement kinematics which is almost exactly corresponding to the valve s characteristic curve (from N 8 spindle gear up) 2 3 8

9 ERHR EK butterfly valve the overview rief specifications utterfly valve according to IN EN 593 materials and finishes ody: spheroidal graphite cast iron EN-JS 3 ody seat: austenitic Cr-Ni steel Valve disc: soft-sealed, with double eccentricity support, made of spheroidal graphite cast iron EN-JS 3 Valve shaft: ferritic Cr steel Shaft bearing: P (PTFE) according to IN 494-4, maintenance-free Shaft seal: elastomer Profiled sealing real: elastomer, confined with clamping ring, EPM or NR, optionally Viton Screws: internal and external 2 SKG / SK slider crank mechanism: degree of protection IP68 / IP67 Gearbox body: grey cast iron EN-JL 4 / EK Gearbox crank: steel / black-finished Stem nut: special brass Stem: ferritic Cr steel Handwheel: steel / EK Gearbox configuration: standard according to Figure Corrosion protection of the body parts: heavy-duty corrosion assurance in accordance with quality assurance IN (at least 25 μm), ERHR EK fusion bonded epoxy coating, optionally with ERHR vitreous enamelling on the inside, each blue coloured. Other coating options are available, please contact us for advice. Operating instructions 5E_EK_Hand_ 5E_EK_E_ reas of use PN N Water up to max. 6 C Test pressure in bar according to IN EN ody 7, 25, 37,5 6, Closure, 7,6 27,5 44, Largest allowable working pressure in bar, 6, 25, 4, 9

10 ERHR EK butterfly valve the dimensions table N PN L h h h h2 b e e2 e3 e3 e3 e4 e5 e6 e6 e6 d d2 G G G u RZ HR E RZ HR E E RZ HR E RZ HR HR RZ E H / / / asic line R5 Flange Weights N PN k b d2 nz d4 f e e2 e3 e4 e5 e6 e7 S H H2 H3 H4 L d3 d5 G G ø ø ø ø ø ø R2 R , , , , , , , , , , Other nominal sizes, pressure ratings and actuator options on request.

11 ERHR EK butterfly valve the dimensions table e e2 e e2 e e2 d d2 h h h h2 h2 h2 b e3 b e3 b e3 e4 e6 e6 e6 e5 L e5 L e5 L asic line R5 E6 E5 d5 us E4 E H4 d3 k d4 H H2 H3 E7 f b d2 L E3 E2 imensions used L [mm] face-to-face dimension [mm] flange G [kg] weight G [kg] weight with bypass u handwheel revolutions (Open/Closed) RZ with round trunnion HR with handwheel E with electric rotary actuator (dimensions can vary depending on the actuator manufacturer)

12 perfect engineering to the last detail Headloss coefficients N PN PN 6 N PN PN 6 N PN PN 6 8 -,39 5,23,29 5,2,6 -,89 6,2,26 6,2,5 25 -,57 7,8,23 8,2,5 5 -,78 8,6,2 2,,5 2 -,7 9,5,9 22,,5 25 -,42,3,8 24,,5 3,34,4,3,7 25,,4 35,3,37 2,2,6 26,,4 4,27,34 3,2,6 29,,4 45,25,3 4,2,6 3,,3 Headloss coefficients ζ with fully opened butterfly valve. The results were obtained in ERHR s test centre following extensive test series and correspond to the actual performance of the fitting.,,, Headloss coefficient ζ [-] Calculation of the pressure loss: p = ζ ρ/2 v 2 p Pressure loss [Pa]- 5 Pa ^= bar ζ Headloss coefficient of the valve [from the diagram] v Flow velocity [m/s] ρ ensity of water [kg/m 3 ],, egree of opening [%] 2

13 installation suggestion for ERHR check valve irection of flow ERHR check valve Intermediate support ERHR butterfly valve N L L a b c

14 ssignment electric actuator UM Nominal size N Pressure rating PN Gearbox Revolutions Open/ Close UMactuator Closing time T in sec djusting moment Close MR=Nm djusting moment Open ML=Nm SKG 8 S SKG 8 S SKG 8 S SKG5 8 S /6 SKG5 8 S SKG5 8 S SKG 25 S /6 SKG 25 S SKG 25 S SKG2 29 S /6 SKG2 29 S /6 SKG4 36 S SKG4 36 S SKG4 36 S SKG4 36 S SKG8/IV4: 49 S SKG8/IV4: 49 S SP6/IV4: 2 S SKG8/IV4: 49 S SP6/IV4: 2 S SP6/IV4: 2 S SK/IV4: 228 S SP6/IV4: 2 S SK/IV4: 228 S SK7/IV4. 24 S SK/IV4: 228 S SK7/IV4. 24 S SK25/IV S

15 Gear assembly With handwheel direct side indirect side The are tight in both directions. t pressure only from one side, then should be the pressure at side (direct side); preferred pressure direction. can be installed in all positions. ll figures are also suitable for vertical pipe. y right turning the handwheel closes the valve disc. 5

16 Gear assembly With electric drive direct side indirect side The are tight in both directions. t pressure only from one side, then should be the pressure at side (direct side); preferred pressure direction. can be installed in all positions. ll figures are also suitable for vertical pipe. y right turning the handwheel closes the valve disc. 6

17 Kv-Values N 8 PN 6 N PN egree of opening % ( % = open) egree of opening % ( % = open) N 25 PN 6 N 5 PN egree of opening % ( % = open) egree of opening % ( % = open) N 2 PN 6 N 25 PN egree of opening % ( % = open) egree of opening % ( % = open) 7

18 Kv-Values N 3 PN 6 N 35 PN egree of opening % ( % = open) egree of opening % ( % = open) N 4 PN 6 N 45 PN egree of opening % ( % = open) egree of opening % ( % = open) 2 N 5 PN 6 3 N 6 PN egree of opening % ( % = open) egree of opening % ( % = open) 8

19 Kv-Values N 7 PN 6 egree of opening % ( % = open) N 8 PN 6 egree of opening % ( % = open) 8 N 9 PN egree of opening % ( % = open) 9

20 Zeta-Values N 8 PN 6 N PN 6 egree of opening % ( % = open) egree of opening % ( % = open) N 25 PN 6 N 5 PN 6 egree of opening % ( % = open) egree of opening % ( % = open) N 2 PN 6 N 25 PN 6 egree of opening % ( % = open) egree of opening % ( % = open) 2

21 Zeta-Values N 3 PN 6 N 35 PN 6 egree of opening % ( % = open) egree of opening % ( % = open) N 4 PN 6 N 45 PN 6 egree of opening % ( % = open) egree of opening % ( % = open) N 5 PN 6 N 6 PN 6 egree of opening % ( % = open) egree of opening % ( % = open) 2

22 Zeta-Values N 7 PN 6 N 8 PN 6 egree of opening % ( % = open) egree of opening % ( % = open) N 9 PN 6 egree of opening % ( % = open) 22

23 Your Choice in Waterflow Control TLIS is the undisputed Number One for water transport and water flow control. TLIS has the best solutions available in the fields of water and energy management as well as for industrial and communal applications. We have numerous products for comprehensive solutions for the whole water cycle from hydrants, butterfly valves and knife gate valves through to needle valves. Our experience, innovative technology, global expertise and individual consultation processes form the basis for developing long-term solutions for the efficient treatment of the vitally important resource water. ERHR GmbH & Co. KG Postfach Heidenheim Meeboldstrasse Heidenheim Phone: Fax: Internet: Note: Specifications may be changed without notification at any time. Copyright: No copying without express written permission of ERHR ERHR is a Registered Trademark EN (2/2)