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Double Eccentric Double Offset Butterfly Valve

Home > Valves > Double Eccentric Double Offset Butterfly Valve

CRI butterfly valves conforms to EN / ISO standards and has been designed to maintain the high quality and integrity of existing designs but in corporates many superior features. The double off set sealing technology with the soft sealing element on the disc to provide tight shut off and reliability. butterfly valves are having integral seats and suitable for bidirectional service. Valves are suitable for drinking water and raw water service to a maximum temperature of 70°C.

Product Characteristics:

  • Replaceable long life durable Resilient seated
  • Internally and externally Fusion bound non-toxic epoxy coating suitable for drinking water application NSF 61/ WRAS

Optional:

  • Electric/Pneumatic/Hydraulic actuators
  • Flange design according to ANSI 150
  • Metal seat design
  • Position indicators
  • Other coatings – Rilsan, Teflon, etc…

Features

  • Double eccentric in design provides tight shut off
  •  Lighter in weight and easy maintenance in comparison with Gate Valves of Higher sizes
  •  Internally & Externally Fusion Bonded Epoxy coated with min. of 250 microns

Advantages

  • Fusion Bonded Epoxy is coated, suitable for drinking water applications
  • Maintenance free  Valves and torque value is less

Options

  • Shaft and retainer rings are Stainless steel
  • Underground gear operators
  • Various material combinations available
  • Actuator compatibility
Butterfly Valve
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Applications

  • Product Range
  • Design Codes and Standards
  • COMPONENTS
Size DN 200 - DN 1200
Working Pressure 16 Bar / 10 Bar
Design EN 593, EN 1074 - 1&2 and IS 13095, Face to Face EN 558 / ISO 5752 Series 14
Flanges En 1092-2 - PN 16 / PN 10
Operator Worm Gear with hand wheel, IP67 ISO 5211 Mounting flange standards Open and cllose position indicator
Test Pressuure Pressure testing to EN 1074-1&2 and EN 1266-1&2, Seat Test : 1.1 x PN (18 Bar), Body Test : 1.5 x PN (24 Bar)
General Design and Manufacture BS 5155 / IS 13095 / API 609 / EN 593
Valve face to face STD BS 5155 / ISO 5752 / API 609
Top Flange Top Flange ISO 5211
Testing Std BS 6755 Part-1 / API 598 / EN 12266-1
Item No. Item Descriptio Material Item No Item Description Material
1 Body Ductile Iron GGG40 13 Dowel Pin Washer SS /EPDM
2 Disc Ductile Iron GGG40 14 Hex. Screw ASTM A193 B8M
3 Seat Retainer Ring SS 304 15 Sealing Washer SS /EPDM
4 Seat Ring EPDM 16 CSK Screw (Dowel Pin ASTM A193 B8M
5 Upper Shaf SS 17 O'Ring (Bush) EPDM
6 Lower Shaft SS 18 O' Ring (Stem) EPDM
7 Bottom Flange SS 19 O' Ring (Bottom Flange) EPDM
8 GlandPlate SS 20 Gland Gasket EPDM
9 Bush PH.BRONZE 21 Hex. Screw ASTM A193 B8M
10 Plain Bearing PTFE/ SS304 22 O' Ring (Retainer Ring EPDM
11 Thurst Washer PH.BRONZE 23 Key SS 410
12 Dowel Pin SS 316 24 Gear Box

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Contact Us

C.R.I. Pumps Private Limited
7/46-1, Keeranatham Road, Saravanampatti
Coimbatore - 641 035. Tamilnadu, India.

Email : [email protected]
Toll Free : 1800 121 1243
Chatbot : +91 9500401115
 
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