Ductile Iron and Stainless Steel Non Return Check Valve

• Customization: Available
• Media: Water
• Temperature: Low Temperature
• Model NO.: CV
• Material: Stainless Steel&Ductile Iron
• Connection Form: Flange
• Structure: Swing
• Pressure: Pn10/Pn16/Pn25
• Sealing Form: Bellows Globe Valve
• Flow Direction: Reversing
• Standard: BSW
• Application: Water Industrial Usage
• Body: Ggg50
• Cover: Ggg50
• O-Ring: EPDM
• Seat: SS316
• Transport Package: Carton and Pallets
• Specification: According to the size and quantity of the product
• Trademark: DVK
• Origin: China
• HS Code: 8481804090

Product Description

Feature and Benefits:

• The spring load design, reduces the water hammer, no

noise.

• High quality spring, avoid the water hammer to damage

the pipeline.

• Can be installed in anyposition, including vertical with

flow up or down.

• Resilient seated sealing, zero leakage.

• Electrostatically applied Akzo Nobel epoxy powder

internally and externally

Technical Data:

Size: DN50~DN900(2″~36″)

Nominal pressure: PN 10-PN25

Temperature range: -5°C ~ 85°C

Suitable for: Water
 

No	Part	Std.	BS Std.	Description
1	Body & Inlet	GGG50	2789-73 Gr. 500/7	Ductile Iron
2	Disc Seat	GGG50	2789-73 Gr. 500/7	Ductile Iron
3	Shaft	X20G13	970/4-70 420 S37	Stainless Steel
4	Arm	GGG50	2789-73 Gr. 500/7	Ductile Iron
5	Body Seat	Weld-on 316L		Stainless Steel
6	Disc Seat	Weld-on 316L		Stainless Steel
7	Bearing	Rg5	1400 LG2	Bronze
8	Cover	GGG50	2789-73 Gr. 500/7	Ductile Iron
9	Hinge Pin	X20Cr13	970/4-70 420 S37	Stainless Steel
10	O-Rings	EPDM		Rubber
11	Pins	AISI304	970/4-70 Gr. 316 S16	Stainless Steel

DN	L	H	App W (kg) PN10&PN16	App W (kg) PN 25
150	610	470	170	170
200	762	560	258	258
250	965	600	345	345
300	1067	715	450	450
350	1143	880	625	625
400	1143	890	857	857
450	1219	1020	1050	1050
500	1321	1090	1450	1450
600	1450	1190	1838	1838
700	1580	1280	2513	2513
800	1700	1370	3125	3125
900	1840	1470

Packing and shipping
Inner package: plastic bags                              Product package: carton and pallets                                       
Delivery package: plywood cases available    Delivery package: steel cases for premium option

About Us
1. More than 20 years experience for valves, fittings, etc..
1. Professional R&D teams in Germany & China for HAVC and waterworks system.
2. Strict products inspection, SOP processing.
3. 6S management, higher quality material with higher price.
4. Quick feedback service, feedback within 24 hours.
5. All sales have more than 10 years experience on service.

Factory Capacity

Welcome visit us

FAQ:
Question 1: Can you make OEM or ODM product?

DVK: Yes, if QTY attractive enough, we can create new mould for you, make bodies casting with your logo and your nameplate; if QTY not attractive enough, will be only with your nameplates or labels.

Question 2: How long is your delivery time?

DVK: General speaking, we have some stock for regular products, it is 1~2 weeks if the goods are in stock; if not in stock will be 4~8 weeks, depends on quantity.

Question 3: Do you provide free samples?  
DVK: If samples available in stock, yes, we could offer the free sample to you, but the air cost or courier cost will be on your account.

Question 4: What are your payment terms?

DVK: Order value less than 2000USD, 100% in advance. Order value more than 2000USD, 30% T/T in advance,balance before shipment. L/C available as well.