1.1K
The AVK Resilient Seated Flanged Gate Valve Without Bypass series 55/49 is a BS high performance, large diameter, resilient seated gate valve. The valve features the renown AVK, fully encapsulated wedge, allowing for flexibility in the final installed position and significantly reduced operating torques when compared to other valve designs. For installation above or below ground for water, neutral liquids and waste water.
Product Description:
Flanged gate valve for water and neutral liquids. Temperature range: -10° C to +70° C.
Standards:
- Designed according to EN 1074 part 1 & 2
- Face to face according to EN 558 Table 2 Basic Series 3
- Standard flange drilling to EN1092-2 (ISO 7005-2), PN 16
- WIMES 8.09 Compliant
Test/Approvals:
- Seat: 1.1 x PN (in bar), Body: 1.5 x PN (in bar). Operation torque test.
- Hydraulic test according to EN 1074-1 and 2 / EN 12266
Features:
- Fixed, integral wedge nut prevents vibration and gives high durability
- Polyamide wedge shoes protect the wedge rubber and provide low operating torques
- A large conical stem hole in the wedge prevents stagnant water
- Triple safety stem sealings: An NBR wiper ring, a polyamide bearing with two O-rings, and with lip seal as the main hydraulic seals to the flow
- Two roller bearings and a thrust collar of stainless steel provide low operating torques
- Round EPDM bonnet gasket fixed in a recess
- Countersunk and sealed stainless steel bonnet bolts encircled by the bonnet gasket
- Full bore
- F16 ISO top gland flange
- Integrated lifting eyes for easy handling
- Epoxy coating to DIN 30677-2 GSK approved
- Actuator flange F16/ Spindle Ø40
- DN 450/500 at 16 bar differential pressure maximum operating torque set to 450 Nm
- #DN 600 at 16 bar differental pressure maximum operating torque set to 500 Nm
Options:
- with bypass 55/49-002
- F14 version 55/48-001
- CTO
Accessories:
Gearbox, electric actuator, retro-fit by-pass kit, stem cap and handwheel
