China wholesale Forged Steel Flanged Gate Valve Manufacturers – High Pressure Slef-Sealing Gate Valve – Ruixin Valve

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China wholesale Forged Steel Flanged Gate Valve Manufacturers – High Pressure Slef-Sealing Gate Valve – Ruixin Valve Detail:

Features

● The valve self-sealing type bonnet.
● The disc wedging phenomenon is not liable to be caused when temperature rises.
● Flexible wedge.
● Full Stellite overlay seat sealing surface
● Full wedge guiding design.
● Absolute bonnet joint leak proof.
● Optional by-pass design.

Advantages

1.The pressure Self-sealing gate valves are designed in accordance with API600 and ASME B16.34 for service of high temperature and high pressure and are widely used in fossil fuel power plant.
2.Compared with bolted bonnet joint valves, it provides absolute reliable sealing of the bonnet joint, so that the pressure seal valves are more compact and rigid as well as maintenance cost-effective at high temperature and high pressure service.

Other Information

Payment Term	L/C, T/T, Western Union,Paypal
Delivery Time	15 – 30 days after payment
Seaport	Shanghai Or Ningbo China
The 3^rd Inspection	Available
Sample	Available for Self-sealing gate valves
Warranty Period	18 months after shipments and 12 months after installed
Valve Test	100% quantity tested before delivery
Packing	Plywood Case for Self-sealing gate valves
MOQ	1 Pc for Self-sealing gate valves
Nameplate	According to customer for Self-sealing gate valves
Color	According to customer for Self-sealing gate valves
Shipment	By sea,By Air ,By Express,and door to door available
OEM/ODM Service	Available

Tips

Customers have special requirements for products and must provide the following instructions in the order contract:
1.Painting Color
2.Confirmed drawing with sign and stamp
3.Service medium, temperature and pressure range
4.Inspection standards and other requirements such as 3rd party inspection .
5.Tell requirement for the logo cast on the valve .
6.Tell requirement about the logo on the Lever. Or label sample.
7.Tell If have special requirement for package .

Inspection

Inspection procedure for API Cast Steel Gate Valve
● Chemical Analysis
   1. Manual Methods
   2.PMI
● Mechanical performance
   1. Tensile Strength
   2.Yield Strength
   3. Charpy impact Test
● Valve thickness test
   Ultrasonic Thickness Gauge
● Dimension and Roughness Test
   Caliper/Digital Caliper/Thread Gauge etc
● Hardness Test
   Hardness Guage
● Welding Procedure Qualification
● NDT Test (MT,PT,UT,RT)
● Torque Test
● Pressure Test
● Painting Inspection
● Final Inspection (Nameplate,Visual appearance…)

API Trim Chart For Pressure Self-sealing gate valves

TRIM	MATERIAL	SEAT	DISK	BACKSEAT	STEM	NOTES
1	410	410	410	410	410
2	304	304	304	304	304
3	F310	310	310	310	310
4	Hard 410	Hard 410	Hard 410	410	410	Seats 750BHN Min
5	Hard faced	Stellite	Stellite	410	410
5A	Hard faced	Ni-Cr	Ni-Cr	410	410
6	410 and Cu-Ni	Cu-Ni	410	410	410
7	410 and Hard 410	Hard 410	Hard 410	410	410	Seats 750BHN Min
8	410 and Hard Faced	Stellite	410	410	410
8A	410 and Hard Faced	Ni-Cr	410	410	410
9	Monel	Monel	Monel	Monel	Monel
10	316	316	316	316	316
11	Monel and Hard Faced	Stellite	Monel	Monel	Monel
12	316 and Hard Faced	Stellite	316	316	316
13	Alloy 20	Alloy 20	Alloy 20	Alloy 20	Alloy 20
14	Alloy 20 and Hard Faced	Stellite	Alloy 20	Alloy 20	Alloy 20
15	304 and Hard Faced	Stellite	Stellite	304	304
16	316 and Hard Faced	Stellite	Stellite	316	316
17	347 and Hard Faced	Stellite	Stellite	347	347
18	Alloy 20 and Hard Faced	Stellite	Stellite

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Our intention is usually to satisfy our buyers by offering golden provider, great rate and good quality for China wholesale Forged Steel Flanged Gate Valve Manufacturers – High Pressure Slef-Sealing Gate Valve – Ruixin Valve , The product will supply to all over the world, such as: Nigeria, Bolivia, Danish, Ensuring high product quality by choosing the best suppliers, now we have also implemented complete quality control processes throughout our sourcing procedures. Meanwhile, our access to a large range of factories, coupled with our excellent management, also ensures that we can quickly fill your requirements at the best prices, regardless the order size.

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