300M

Class 300 Single Cast Body
Metal Seated Uni-directional Valve
High Pressure Metal seated Unidirectional Knife Gate Valve

Model # 300M
Flow Direction Uni-directional
Valve Size 2” – 24” (50 mm – 600 mm)
Design MSS SP-61,  81, ASME B16.34 , B16.5  class 300lb
Raised face body tapped flange in accordance with ANSI150, JIS10K, DIN PN10 and AS 2129 Table D & E
Pressure Rating  740(720) psi (51 bar) CL300
Shutoff MSSP-81 and 135
Body CF8, CF8M, CG3M, Duplex Stainless Steel, Special Alloy, NI-RESIST  ASTM A439 TYPE-2, CS, WCB
Gate  304,316 and Nickel based Non-Stick Overlay 
Seat Metal Seated
Packing  Multiple rows of expanded PTFE with Graphite braided packing PTFE
 *Standard PTFE  impregnated syntax is 450°F (230°C) 
 *High Temperature Square Braided Packing to 1000° F (540°C) pH Range: 4-10
Actuator Options Hand Wheel, Bevel Gear, Pneumatic Cylinder, Electric Motor Lever, Ratchet and Chain Wheel.
Application  High pressure and abrasive slurries work in mining, oil sands , power, chemical processing 

Design Features

No. PARTS MATERIALS
1 Body  ASTM A351 CF8M/ CF8
ASTM A216 WCB
2 Seat
Seat O-ring
EPDM, NBR, FKM(Viton)
EPDM, NBR, FKM(Viton)
4 Seat Ring ASTM A351 CF8M/ CF8
ASTM A216 WCB
5 Gate ASTM A240 SS316/ SS304
6 Packing  PTFE
7 Packing Gland ASTM A351 CF8M/ CF8
ASTM A216 WCB
8 Clevis ASTM A351 CF8
9 Yoke (Arm. Leg, Posts) ASTM A276 SS304
10 Yoke Retainer (Pads) ASTM A276 SS304
Carbon Steel Coated 
11 Bevel Gear Mount Pad ASTM A276 SS304
Carbon Steel Coated 
12 Bevel Gear  Ductile Iron, ASTM A536
 Coated 
13 Stem ASTM A276 SS304
14 Stem Cover Carbon Steel coated 
15 Hand Wheel Ductile Iron, ASTM A536 
  Bolt ASTM A240 SS304
  Nut ASTM A240 SS304
  Washer ASTM A240 SS304