BASIC CHARACTERISTICS

  • API 6D, API 6A design
  • Full Bore and Reduced Bore design
  • Flanged or Welding Ends
  • Spring loaded floating seats
  •  Bi‐directional sealing
  •  Anti blow‐out stem
  • Anti static device
  • Heavy duty bearings
  • Double Block & Bleed design
  • Fire safe design


  • PRODUCT PANGE
  • DESIGN FEATURES
  • MATERIAL SELECTION

Size: 1-1/2” to 48”

Pressure Classes:

ASME 150# to 2500#

API 6A 3000 to 15000

Temperature Range: ‐196°C to 400°C

Soft Seating Standard

Manual operated or Actuated Standard

Metal Seating On Request

Stem Extension On Request

Self‐relieving Seats Standard

Extended Bonnet On Request

Double Piston Effect Seats On Request

Welded Pups On Request

Vent & Drain ports Standard

Sealing Areas Overlay On Request

Emergency sealant injection On Request for 6” FB and above

Wetted Areas Overlay On Request

Temperature Range: ‐196°C to 200°C

 BODY, CLOSURE

– CS (ASTM A105), LTCS (ASTM A350 LF2)

– High strength LTCS (A694 F52, F60, F65)

– Austenitic SS (ASTM A182 F304, F316)

– Duplex SS 22% Cr (ASTM A182 F51)

– Superduplex SS 25% Cr (ASTM A182 F53/F55)

– 6Mo SS (ASTM A182 F44)

– Inconel 625

– Incoloy 825

– Monel

 BODY SEALS / SEAT SEALS

– Viton A FKM O‐ring

– Viton GLT FKM O‐ring

– Viton AED FKM O‐ring

– HNBR AED O‐ring

– FFKM O‐ring

– PTFE + ELGILOY Lip‐Seals

– Graphite Packing / Gaskets

 TRIM (SEAT, BALL and STEM)

– CS (ASTM A105), LTCS (ASTM A350 LF2) + ENP 0.003”

– High strength LTCS (A694 F52, F60, F65) + ENP 0.003”

– AISI 410 Martensitic SS (ASTM A182 F6a)

– 17‐4 PH

– Austenitic SS (ASTM A182 F304, F316)

– Duplex SS 22% Cr (ASTM A182 F51)

– Superduplex SS 25% Cr (ASTM A182 F53/F55)

– 6Mo SS (ASTM A182 F44)

– Inconel 625

– Inconel 718

– Incoloy 825

– Monel

 SEAT INSERT

– Viton A/GLT/AED FKM  (only EB model) 

– HNBR (only EB model)

– PTFE / RPTFE

– Nylon / DEVLON V

– PCTFE / KEL‐F

– PEEK

– METAL with either TUNGSTEN CARBIDE or

– CHROMIUM CARBIDE COATING (0.15 mm min. thk.)

 BOLTING

– ASTM A193 B7/B7M, ASTM A320 L7/L7M,

– A193/A320 B8/B8M

– UNS S31803, UNS S32760, ASTM A453‐GR.660

© 2016 Sino valve. All rights reserved -Dongou Industrial Zone Oubei,Zhejiang China