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ADD: NO.888,Zangshu,230 Provincial Road,Mudu Town,Wuzhong District,Suzhou City,Jiangsu Province,China
Tel: 0086-577-67312948
Skype: seekovalve
Products
Cryogenic Ball Valve
Cryogenic Ball Valve Cryogenic Ball Valve Cryogenic Ball Valve Cryogenic Ball Valve

Product Details:

Name: Cryogenic Ball Valve
Catalog: Ball Valve
Certification: API6D-CE-ISO-API607

Contact Details:

Contact Person: Sales Manager
Email: info@seekovalve.com
Tel: 0086-577-67312948
Fax: 0086-577-67312948
For more information please:
Product Description

Seeko is one of the leading China Cryogenic Ball Valve manufacturers, welcome to inquiry Cryogenic Ball Valve from our factory.

VALVE DESCRIPTION

Seeko has specialised in Low Temperature and Cryogenic service to the extreme temperature of minus 196 Deg C, in accordance to the most stringent specifications. Seeko Ball Valves in cryogenic service are supplied with extended bonnet with a sufficient gas column length (vapour space) to keep the stem seals exposed only to vapour and not the cold liquid to ensure functional integrity. Suitable seals are selected considering the customer’s process indication. PTFE lip seal spring energised or KEL-F are commonly used.


BASIC CHARACTERISTICS

API 6D, API6Adesign

Full Bore and Reduced Bore design

Flanged or Welding Ends

Spring loaded floating seats

Bi-directional sealing

Anti blowout stem

Anti static device

Heavy duty bearings

Double Block & Bleed design

Fire safe design

NACE MR 0175


PRODUCT RANGE

Sizes :

From 1/2″ up to 48″

Classes:

ANSI 150-300-600-900-1500-2500

API 2000-3000-5000-10000-15000

Materials:

Low Temperature Carbon Steel, Stainless Steel.


DESIGN FEATURE

Soft Seating Standard

Manual operated or Actuated Standard

Metal Seating On Request

Stem Extension On Request

Selfrelieving 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

Wetted Areas Overlay On Request


MATERIAL SELECTION

FORGED BODY, BONNET, PUPS

– CS (ASTM A105,A182 F11,A182 F22), LTCS (ASTM A350 LF2,LF3,12Mn)

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

– Austenitic SS (ASTM A182 F304, F316,F321)

– 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

–Wetted or Sealing Areas Overlay On Request

CAST BODY, BONNET, PUPS

– CS (ASTM A216 WCB,WCC,WC6,WC9), LTCS (ASTM A352 LCB,LCC,LC1,LC2,LC3)

– Austenitic SS304 (ASTM A351 CF8), SS316 (ASTM A351 CF8M),SS304L(ASTM A351 CF3),SS316L(ASTM A351 CF3M)

– Duplex SS (ASTM A8904A,5A,6A)

– Alloy 625(UNS N06625)

– Alloy 825(UNS N08825)

– Special alloy material(CW6MC)

–Wetted or Sealing Areas Overlay On Request

BODY SEALS / SEAT SEALS

– Viton A FKM Oring

– Viton GLT FKM Oring

– Viton AED FKM Oring

– HNBR AED Oring

– FFKM Oring

– PTFE + ELGILOY LipSeals

– Graphite Packing / Gaskets


TRIM (SEAT, BALL and STEM)

– CS (ASTM A105), LTCS (ASTM A350 LF2,LF3,12Mn) + ENP0.003”

– High strength LTCS (A694 F52, F60, F65) + ENP0.003”

– 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 / KELF

– PEEK

– METAL with either TUNGSTEN CARBIDE or

CHROMIUM CARBIDE COATING (0.15 mmmin. thk.)

BOLTING

– ASTM A193 B7/B7M, ASTM A320 L7/L7M,

– A193/A320 B8/B8M

– UNS S31803, UNS S32760, ASTM A453GR.660

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