Wafer/Lug Type Manual Knife Gate Valves

• Media: Oil
• Temperature: Ordinary Temperature
• Type: Straight-through
• Material: Carbon Steel
• Connection Form: Flange
• Pressure: Ordinary Pressure
• Model NO.: QB71F
• Actuator: Manual
• Seal Surface: Wedge Gate Valve
• Thread Position of Valve Rod: Outside Gate Valve
• Usage: Regulation, Safety, Drain
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Color: Custom
• Transport Package: Plywooden Case
• Specification: 1" - 48"
• Trademark: Fly
• Origin: Zhejiang Province, China
• HS Code: 8481804090
• Production Capacity: 50000tons

Product Description

Knife gate valves are available in various designs, one-piece body and two-piece bodies, rising stem and non-rising stem, uni-direction and bi-direction structures, resilient and metal seat rings, bonnetless and bolted bonnet designs. For optional designs, deflection cone could divert the flow of abrasive slurries and protect valve seat from abrasion, V port disc and through conduit design are used for throttling service, per customers' requirements.

Features of Replaceable Seat Knife gate valves:

Unidirection design
Replaceable resilient seat
Wafer type cast iron body
Self-cleaning mechanism
Rising stem, outside screw & yoke
Yoke type: Plate or Casting

 

Applicable Standards of Replaceable Seat Knife gate valves:
a) Design & Manufacture: MSS SP-61, ASME 16.34
b) Face to Face: MSS SP-81, ASME B16.10, EN 558
c) Connection End: ASME B16.5, EN 1092, JIS B2220
d) Test : MSS SP-81

Sizes: 2" - 48" or DN 50 - DN 1200
Pressure Rating: Class150 or PN6 - PN16
Materials of valve body: GG25 / A126 B, GGG40 / A536 60-40-18, etc.
Operation: Manual, Gear, Pneumatic, hydraulic and Electric actuator