Dss Ball Valve
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Dss Ball Valve

As the professional Dss Ball Valve manufacturer, we would like to provide you the 2 piece floating ball valve, which is a kind of the mostly widely used valve. And we will offer you the best after-sale service and timely delivery.

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Product Description

As a professional industrial Dss Ball Valve manufacture in China, LYV had exported different DSS ball valve to the applications in the Gas, Oil, Refining, Chemical, Marine, Power Generation and offshore filed in American, Canadian, Southeast Asia , and Middle East area.

With good quality and approbation from our clients, LYV had updated over than 15 pcs CNCs equipments in recently years, looking forwarder to be a supplier that you can trust.

Design & Testing International Standard of Two piece ball valve/ Three piece ball valve

Design Standard : BS EN ISO 17292 (BS 5351) / ASME B 16.34 /API 6D

Inspection & Testing Standard : API 598/ API 6D

Fire Safe Testing Standard : API 607/API 6FA

Flange To Flange Length : ANSI B 16.10 -Short pattern/ Long pattern

End Connection : Flanged End to ANSI B 16.5, Butt Weld ends, Stock Weld ends.

Manufacturer Size and Pressure Range:

NPS 1/2” to 48” (for ANSI Class 150LB)

NPS 1/2” to 48” (for ANSI Class 300LB)

NPS 1/2” to 48” (for ANSI Class 600LB)

NPS 1/2” to 36” (for ANSI Class 900LB)

NPS 1/2” to 24” (for ANSI Class 1500LB)

NPS 1/2” to 12” (for ANSI Class 2500LB)


DN15 to DN1200 (for PN0.6Mpa, 1.6Mpa, PN2.0Mpa, PN2.5Mpa)

DN15 to DN1200 (for PN4.0Mpa, PN5.0Mpa)

DN15 to DN1200 (for PN6.3Mpa, PN10.0Mpa)

DN15 to DN900 (for PN15.0Mpa)

DN15 to DN600 (for PN25.0Mpa)

Pipe Bore: Full Bore (FB)/ Reduce Bore(RB)

Construction Body: Side Entry

Bonnet/Cover type: Bolted Bonnet/Extended Bonnet

Seat Type: Soft type/ Hardseal Metal Type

Flow Directional: Uni-Directional/Bi-Directional

Service Medium: Natural Gas, Oil, Water, Oxygon gas, etc

Service: SOUR, ISO 15156/ NACE MR0175

Feature: Fire Safety design

Anti-Static Design

Blow-out Proof Stem

Valve Operation: Manual Lever / Worm-Gear /Actuator Operated/ Pneumatic Actuator / Electrical Actuator

MOC (Bill of Material – BOM) :

Body &Bonnet: ASTM A890 4A / 5A/ 6A (Duplex Stainless Steel)

Solid Ball : ASTM A182 F51/ F53 /F55

Note: Harseal Metal Seat type Ball surface treatment: HCR, WC, welding Ni60/ Ni55

Stem : ASTM A182 F51/ F53/ F55

Ball Seat & Body Seal : PTFE Virgin / 25% Glass Fillted PTFE – GFT / Carbon Filled PTFE – CFT

: PEEK / Delrin / Grafoil – Graphite Ring

Gland Packing : PTFE Virgin / 25% Glass Filled PTFE – GFT / Carbon Filled PTFE – CFT

: Grafoil – Graphite Ring

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