High Pressure Gate Valve

Specification

Size: NPS 2″~18″

Pressure : Class1500/Class2000/Class2500/Class3500

Main Material: WCB; WC1,WC6,WC9 CF8M, CF3M, CF3 ;LCB,LCC etc.

Design: API600

Test: API598

BW: ASME B16.25

FACE TO FACE: ASME B16.10

Main Parts Material:

BODY	BODY.BONNET.GATE	STEM	PACKING
WCB	CF8	CF8	Flexible graphite
WC6	WC6	38CrMoALA	Flexible graphite
ZG1Cr5Mo	ZG1Cr5Mo	38CrMoALA	Flexible graphite
CF8	CF8	F304	Flexible graphite

Features:

Reasonable structure design, good performance, smooth channel and small flow coefficient
The sealing surface is made of stainless steel and hard alloy, witha long service life.
The use of flexible graphite filler, reliable sealing performance, light and flexible operation

August 29, 2023

Pressure Seal Gate Valve

The pressure of the medium itself is used to achieve the purpose of sealing, the greater the pressure, the greater the sealing force generated, and the more reliable the seal. It is suitable for thermal power plants, petrochemical industry, metallurgy and other high temperature and high pressure water, steam, oil products, superheated steam pipelines.

Specification

Size: NPS 2″~24″
Pressure : 900LB~2500LB
Connection: RF, RTJ, BW
Face to face: ASME B16.10
Flange Dimension Standards：ASME B16..5
Design ：API602, ASME 16.34, BS 5352, BS 6364
Test: API598
Operation: Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.

Main Parts Material:

Body	WCB	WC6	CF8	CF3
Disc	WCB	WC6	CF8	CF3
Stem	F6a	38CrMoALA	F304	F316
Packing	Packing	Graphite	Graphite	Graphite
Applicable medium:	water, steam，other non-corrosive medium

Features:

The fluid resistance is small, and the sealing surface is less brushed and eroded by the medium.
Easy to open and close.
The flow direction of the medium is not limited, and the pressure is not disturbed or reduced.
Simple shape, short structure length, good manufacturing process, wide range of application.
Unique self-sealing design, the higher the pressure, the more reliable the sealing.

August 29, 2023

Stainless Steel Gate Valve

Product

Stainless Steel Gate Valve

Stainless steel is one of the most durable materials used in industrial valves, used to provide a tight shut-off in applications with extreme conditions. It is used to handle different types of medium, such as chemicals, corrosive and abrasive medium, slurries, and mixed solids. Because of its resilience, it is used in an array of industrial applications like oil and gas industry, chemical and pharmaceuticals, marine, water and wastewater treatment, and manufacturing industries.

Specification

Size: NPS 2″ ~32″
Pressure: 150LB -900LB
Connection: RF, RTJ, BW
Face to face: ASME B16.10
Flange Dimension Standards: ASME B16..5
Design ：API602, ASME 16.34, BS 5352, BS 6364
Test: API598
Operation: Handwheel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.

Main Parts Material:

Part Name	ZG1Cr18Ni9T i304 CF8	ZGOOCr18Ni10 304L CF3	ZG1Cr18Ni12Mo 2Ti316 CF8M	zgoocR17nI14mO2 316L CF3M	WCB
Body/Cap	OCr18Ni9	OOCr18Ni10	OOCr18Ni9Mo2	OOCr18Ni10Mo2	WCB
Stem	OCr18Ni9	OOCr18Ni10	OOCr18Ni9Mo2	OOCr18Ni10Mo2	1Cr3
Stem Packing	PTFE	PTFE	PTFE	PTFE	Graphite
Gasket	304+PTFE	304L+PTFE	316+PTFE	316L+PTFE	Graphite+304
Gland Flange	OCr18Ni9	OOCr18Ni10	OOCr18Ni9Mo2	OOCr18Ni10Mo2	WCB
Bolt	Stainless Steel				34GtMoA
Nut	Stainless Steel				45

Features:

The sealing surface of the gate and seat is made of cemented carbide overlay welding of different hardness, which is well sealed and long in use;
The valve stem is tempered and surface nitride, and has good corrosion resistance, scratch resistance and wear resistance;
Flexible gate structure, medium and large diameter thrust bearings are set, the friction force is small, and it is equipped with a handwheel, easy to open and close.
It can adopt piping flange standard and flange sealing surface form, which meets the engineering needs and user requirements.

August 29, 2023

Cast Steel Gate Valve

Product

Cast Steel Gate Valve

Specification

Size: NPS 2”~40”
Pressure: 150LB~2500LB
Connection: RF, RTJ, BW
Face to face: ASME B16.10
Flange Dimension Standards：ASME B16..5
Design：API602, ASME 16.34, BS 5352, BS 6364
Test: API598
Operation: Handwhel, Worm Gear, Electric actuator, Pneumatic actuator, Hydraulic Actuator.

Main Parts Material:

Body	ASTM A216 WCB				ASTM A351 CF8
Disc	WCB	CF8	CF8M	MONEL
Stem	F6	F304	F316	MONEL	F304
Seat	13Cr 13Cr STL	304 STL	316 STL	MONEL	304 304 STL

Features:

Compact structure, small size, good rigidity, safe and reliable .
The closing element (gate) adopts an elastic structure, which can automatically compensate for valve body deformation caused by abnormal load or temperature during operation.withthe reliable sealing。
For 150LB manual valves with a diameter large or equal to NPS10 “, and pressure 600LB-2500LB largeror equal to NPS6”, are equipped with rolling bearings in their operating devices for easy opening and closing.
The main materials,trimand fasteners can be reasonably combined according to user requirements or actual working conditions.
For valves≤ 10 “, the valve seat can be replaced.

July 25, 2023

Ventilation Butterfly Valve

Product

Ventilation Butterfly Valve

Specification

Size: NPS 2”-8”
Pressure: 150LB
Body Materials: Cast Iron/Ductile Iron
Seat Materials: EPDM / NBR/ VITON / PTFE
Design: API 609, MSS SP-67
Face To Face: API 609, MSS SP-67, DIN3202, BS EN558-1
Pressure Test: API 598
Flange Drilling: ANSI B16.1 class125, BS4504 PN10/PN16, DIN2501 PN10/PN16
Top Flange: ISO5211
Suitable Medium: air, Sewage, steam, gas, oil, etc

Main Parts Material:

Part	Material
Body	WCB,QT450
Disc	WCB,QT450
Shaft	2Cr13
O ring	EPDM / NBR/ VITON / PTFE
Packing	Flexible graphite

June 21, 2023

Author: HF Valves