Double Disc Gate Valve-Ethylene
Datasheet
Download datasheet (PDF)Specifications are indicative. Final specification is confirmed at quotation.
Specifications
Confirmed at quote- Size Range
- DN150 to DN1500
- Pressure Class
- Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500
- End connection
- Flanged · Butt weld
- Operating temperature
- -60°C to 538°C
Standards
- Design & manufacture
- ASME B16.34, GB/T 12234, GB/T 12224 (P-T rating), JB/T 79 (face-to-face / flange)
- Inspection & test
- API 598, API 6D, GB/T 13927, JB/T 9092, GOST 9544
- Face to face
- ASME B16.5, ASME B16.47, GB/T 9113, JB/T 79, HG/T 20592, EN 1092, GOST 33259
- Flange & end dimension
- ASME B16.5, GB/T 9113, JB/T 79, HG/T 20592, EN 1092, GOST 33259
- Butt weld end
- GB/T 12224, ASME B16.25
- Pressure-temperature rating
- ASME B16.34, GB/T 12224
Configure your variant(manually adjust box on the right if you require a different spec)
- Size
- Pressure
- End connection
Materials
All available material options per part. Click a pill to set it in the configurator.
- Body
- Seat Seal
Operating media
Typical applications
- Petrochemical industry: cracked gas handling
- Oil and gas
- Chemical processing
- Water supply and sewage
- Construction
- Food industry
Actuation options
Features
- Floating seat with O-ring seals for bidirectional sealing at approximately half the standard operating torque
- Dual PTFE and metal sealing: PTFE-to-metal and metal-to-metal seat sealing with debris-cleaning capability
- Flow guiding holes in gate to protect sealing surfaces from media erosion
- Straight, smooth full-bore channel when fully open for low flow resistance and pipeline pigging capability
- Self-sealing packing structure with auxiliary grease injection for near-zero packing leakage
- Self-relieving seat that automatically releases trapped cavity pressure when valve is closed
- Fully enclosed, weather-resistant actuator suitable for all ambient conditions
- Open/closed position indicator
- Dual soft seal structure with multiple sealing rings
- Automatic self-cleaning mechanism removes deposits during operation
Description
A double disc gate valve manufactured from high-strength, high-temperature resistant materials, specifically designed for handling cracked gases in the petrochemical industry. The valve incorporates a slab gate design providing a straight, unobstructed flow path, dual PTFE and metal seating, and an automatic self-cleaning mechanism. Suitable for high-temperature and corrosive media applications across a wide pressure and temperature range.
Selection notes
This double disc gate valve is a slab gate valve pattern, supplied for flanged and butt weld installation.
Sizes run DN150 to DN1500, in Class 150, Class 300, Class 600, Class 900, Class 1500, Class 2500.
The body is offered in Carbon Steel, Stainless Steel and Alloy Steel, so the grade can be matched to the service rather than the other way round.
Stated service media include cracked gas, tap water, sewage, petroleum, chemical media and food media.
It is catalogued for Water & Wastewater, Oil & Gas and Industrial Process.
Working temperature is -60°C to 538°C.
Built to ASME B16.34, GB/T 12234, GB/T 12224 (P-T rating), JB/T 79 (face-to-face / flange) and GB/T 12224 (butt weld).
Available pressure classes
Pressure classes this product is rated to.