Basic Info.
Temperature
High Temperature
Material
Cast Iron , Stainless Steel , Bass
Pressure
Ordinary Pressure
Function
Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
Sealing Form
Gland Packings Globe Valve
Flow Direction
Unidirection
Application
Industrial Usage, Water Industrial Usage, Household Usage
Size Range
1.5 Inch to 24 Inch (Dn40-Dn600)
Seat
Metal/ EPDM / Buna-N/ Vion
Brand
as Per Your Request
Advantage
Long Working Life Without Leakage
Transport Package
Wooden Pallet, Plywood Case, etc
Specification
Quality Grade: CE and ISO9001
Origin
Yantai Shandong China
Product Description
Double plate check valve wafer type
SPLIT DISC-Cast iron body with epoxy coating and split disc design (Bronze Disc) Wafer connection ANSI 125/150 EPDM, NITRILE (Buna N) bearing. Stainless steel spring hinge pin. Lifting ring standard. Above 4".
Temp Max: 180° F(80° C) Pressure Max: 200 PSI
Operation:
Two independent discs, hinged on a common shaft are held parallel against an elastomer seat by torsional spring force
Installation:
Split Disc check valves are designed for simple Flange-supported installations between standard flanges in the horizontal or in the vertical flow up position. For horizontal flow applications valve must be installed with disc hinge pin in the vertical position to insure proper operation.
Applications:
General Utilities; Chemical; Power Generation; Oil Field; HVAC; Marine; Petrochemical; Steel Industry;
Mechanical Contractors; Commercial Construction
Description:
1. Products Name: DUAL PLATE CHECK VALVE WAFER TYPE
2. Working pressure: PN10/16/25
3. Tests: API598; DIN3230
4. Flange standard: DIN2501 PN10/PN16; BS4504 PN10/PN16;
BS10 TABLE"D"/"E" /JIS2220 10K/16K; ANSI125/150
5. Face to face: ANSI125/150; DIN3203 K3-1999
6. Applications: Water, industrial systems
7. Working temp: EPDM: -10° C~+120° C/NBR: -10° C~+80° C/VITON: -23° C~+150° C/
8. Medium: Fresh water, sea water, waste water, food stuff, steam, all kinds of oil, all kinds of acid and alkaline liquid etc
MATERIALS LIST:
1 | Body | GG25/GGG40/SS304/SS316 |
2 | Spring | Stainless steel |
3 | Disc | SS316/SS304/WCB/C954 |
4 | Ring | Steel |
5 | Seat Ring | NBR/EPDM/VITON |
6 | Shaft-1 | SS316/SS304 |
7 | Shaft-2 | SS316/SS304 |
8 | Gasket-1 | PTFE |
9 | Gasket-2 | NBR |
10 | Screw | Steel |
| | |
DIMENSION:
L (mm) | 43 | 43 | 46 | 64 | 64 | 70 | 76 | 89 | 114 | 114 | 127 | 140 | 152 | 154 | 178 | 229 |
D(mm) | 65 | 65 | 80 | 94 | 117 | 145 | 170 | 224 | 265 | 312 | 360 | 410 | 450 | 500 | 624 | 720 |
Φ(mm) | PN10 | 92 | 107 | 127 | 142 | 162 | 192 | 218 | 273 | 328 | 378 | 438 | 489 | 532 | 585 | 690 | 800 |
PN16 | 92 | 107 | 127 | 142 | 162 | 192 | 218 | 273 | 329 | 384 | 446 | 491 | 550 | 610 | 720 | |
Laizhou Dongsheng Valve Corporation located in Laizhou Yantai city Shandong Province, is a manufacturer of high quality valves primarily for export products are mainly OEM products since 2002.
We have 180 employees including 18 technicians, covering an area of 10200 square meters, also having advanced craftsmanship and technology. We mainly produce various check valves (for example,single disc swing check valve,double disc swing check valve,ball check valve,lift check valve, butterfly valves,diaphragm valves ,ball valves and so on). Our products are widely used in municipal water and wastewater ,oil,chemical, food and other fields.
Our entire valves are designed and manufactured according to ANSI (ASME), DIN, BS, JIS and other standard. Also, we ensure the best quality for customers, and our strict quality assurances systems are conducted throughout the entire production at the standard of ISO9001:2008 and CE.
We try to enlarge our oversea markets and we have received a good reputation from our customers in the USA, West Europe, the UK, Southeast Asia,Spain and Russian .Besides, we always make delivery on time and will provide you with best quality and reasonable prices.
All in all , our aim is to be your most reliable supplier.
Factory show:
Our team:
Exhibition:
FAQ:
Q1: How long is the delivery time?
A1: Generally it's 5-10 days we have stock. Or it's 15-90 days depend on different product and quantity.
Q2: What about the payment term?
A2: T/T 30% deposit, balance payment after finished production before shipment. Or as discussed.
Q3: Can I have a sample order?
A3: Yes, Laizhou Dongsheng Valve agree sample order, mixed different models is also acceptable.
Q4: What's your MOQ?
A4: Laizhou Dongsheng Valve can support 1 pc order. Welcome you to check our quality.
Q5: What's your quality inspection? Do you test all your goods before delivery?
A5: Yes, 100% test. It integrates R&D, casting, production, processing, painting, assembly, testing, sales and after-sales service, and strict quality requirements, according to GB, ASME, API, DIN standard, and Laizhou Dongsheng Valve have gained ISO9001;2008, CE, and TUV certification.
Q6: Could I customize special request valve or new design products?
A6: Laizhou Dongsheng Valve have own R&D team and more than 70 researchers and engineers. Can give you the best support on quality management and techniques, meet your different needs.
Q7: How does your factory do regarding quality control?
A7: Laizhou Dongsheng Valve Quality is priority. Valve always attach great importance to quality controlling from the very beginning to the very end. Laizhou Dongsheng Valve has gained ISO9001;2008, CE, TUV, authentication.
Address:
Haizheng village, Shahe Town, Laizhou city, Shandong province
Business Type:
Manufacturer/Factory
Business Range:
Industrial Equipment & Components, Instruments & Meters, Manufacturing & Processing Machinery, Tools & Hardware
Management System Certification:
ISO 9001
Company Introduction:
Laizhou dongsheng valve co.,Ltd is a professional valve plant, is a collection of research and development, design, the manufacture, the sale of integrated specialized company. Our main products are series of check valves, including all kinds of single disc swing check valve, double disc swing check valve, flange and threaded ball check valve, flange and wafer silent check valve, stainless steel lift check valve, diaphragm valve, ball valve and butterfly valve etc.
We hold a set of scientific and strict management system, strong technical force, advanced processing equipment and reasonable technical progress, high technology and quality technicists and workers. We have 200 employees, and our factory area is 30000 square meter. We always hold "Do to the quality of survival, to the credibility of development.", so we produce every product carefully and treat every customer sincerely. Our products are used to open and close the pipeline of oil, chemical, water, gas and food etc. Our products are exported mainly to Europe, America, Africa, Southeast Asia, the Middle East and Russia etc. Our products are praised by foreign and domestic customers.
We own good quality certificated by ISO9001 and CE. Welcome friends from home and abroad to visit us. And we look forward to having a sincere and favorable cooperation with you.