Flanged Concentric Disc Butterfly Valve EPDM NBR Rubber Soft Seat API/ANSI/DIN/JIS/ASME

• Media: Water
• Driving Mode: Manual
• Connection Form: Flange
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Model NO.: H77X
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Normal Temperature (-40°C<T<120°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: JIS, ANSI, DIN, BS, GB
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Transport Package: Bubble Bag+Wooden Case
• Specification: DN50-DN1400
• Trademark: TFW
• Origin: Tianjin China
• HS Code: 8481804090
• Production Capacity: 1000000

Product Description

•Size:DN50~DN600
•Body material available in Cast iron/Stainless steel
•Face to face dimension to EN558-1 (DIN3202 K3)
•Working Pressure:PN10,PN16
•Working Temperature: -20ºC to 120ºC for EPDM seat
                                          -10ºC to 82ºC for NBR seat
 

Specifications:

Nominal pressue (MPa)		1.0	1.6
Nominal diameter(mm)		50-1000	50-1000
Test pressure	Shell	1.5	2.4
(MPa)	Seal	1.1	1.76
Applicable temperature		150
Applicable medium		Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, Alkalis, etc.
Operating mode		manual, worm gear, pneumatic, electric, etc.

Material:

Body	Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Plate	Ductile Iron, Carbon Steel, Stainless Steel
Spring	Stainless Steel
Hinge Pin	Stainless Steel
Plug	carbon steel
Body Bearing	PTFE
Spring Bearing	PTFE
Stop Pin	Stainless Steel
Eye Bolt	Carbon Steel
Body Seat	NBR, EPDM, Viton, Neoprene

Application:

Chemicals, air, water, steam, oil, acids, salts ect

Features:

1. Small in size, light in weight, compact in structure,easy in maintenance.

2. Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly

   And automatically.

3. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.

4. Short body structure length and good rigidity.

5. This valve is tightly sealed, without leakage under the pressure water test.

6. Safe and reliable in operation,high interference-resistance.












FAQ
1. Q: Are you a manufacturer or trading company? 
A: We are valve manufacturer and factory, and not trading company. 
2. Q: Do you have agent or representative abroad? 
A: We do not have agent abroad, please contact us to purchase valves
From TIANJIN TANGFA WATTS VALVE Co., Ltd...
Directly. 3. Q
: What's your product range? A: We can produce Butterfly valve, Gate valve, Check valve, Y strainer, Rubber Joint
By ISO/ANSI/DIN/JIS/ EN/GOST/AS standard. 
4. Q: Is there any stock in your factory? And how about your lead time? 
A: We stock valves with normal sizes. The lead time depends on your quantity, 
Generally 30-35 days. 
5. Q: Which countries do you export to? 
A: We export directly to vast majority of countries in the world. 
6. Q: What certificates will you provide? 
A: We can provide CE/ ISO / WRAS. 
7. Q: After-sales service
A: 18 months year warranty for all kinds of products. 
As an experienced manufacturer, you can rest assured of the quality and sales service. 
8. Q: Payment
A: T/T, L/C, OA, D/P, D/A. 
9. Q: Transportation
A: Transported by DHL, UPS, EMS, FedEx, SF, by Air, by Sea. 
10. Q: Do you provide free sample? 
A: Free sample is OK for us. 
11. Q: Do you accept custom design on size? 
A: Yes, if the size is reasonable.