About WEIZIDOM
Now we have 5 factories domestic, which located in TIANJIN, WENZHOU, HEBEI, LIANYUNGANG, ANHUI. We take strict QC procedure, our each product will experience 12 times test from raw material to the final product. Our products can meet multiple standards such as GB, JB, HB, ASME, API, AWWA, DIN, EU, BS, etc..
With the continuous development of the international business, our products have been exported to more than 60 countries such as the Philippines, Pakistan, Malaysia, Indonesia, Bangladesh, Saudi Arabia, Iraq, UAE, South Africa, Morocco, Chile, Mexico, Colombia, Bolivia, etc.. by now, we supply professional before-sale and after-sale service.
Our Products
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Rising stem Forged steel gate valve
Model: API 602 (A105/F304/F316)
ASME B16.34 (A105/SUS304)
DIN 3356 (1.0406/1.4301)
Parameters: Structure: OS&Y/Rising Stem
Sealing: Metal to Metal/PTFE
Material: A105/F304/F316 Forged Steel
Pressure Rating: Class150/300/600
Design Standard: API/ASME/DIN
BS5163 Rising stem gate valve
Model: BS5163 Type B (OS&Y)
EN 1074 (OS&Y)
AWWA C509 (OS&Y)
Parameters: Structure: OS&Y/Rising Stem
Sealing: Full wrapped EPDM rubber
Material: QT500-7/GGG50
Pressure Rating: PN10/PN16
Design Standard: BS5163/EN/AWWA
Socket connection gate valve
Model: DIN 3352 SW (GGG50)
EN 1074 SW (QT500-7)
GB/T 12234 SW (QT500-7)
Parameters: Structure: NRS/Socket Weld
Sealing: EPDM/NBR
Material: QT500-7/GGG50
Pressure Rating: PN10/PN16/PN25
Design Standard: DIN/EN/GB
Underground cap soft seal gate valve
Model: BS5163 Type A/B
DIN 3352 F4/F5 (Underground)
Z45X-16Q (Cap Type)
Parameters: Structure: NRS/Underground Cap
Sealing: Full wrapped EPDM rubber
Material: GGG50/QT500-7
Pressure Rating: PN10/PN16
Design Standard: BS5163/DIN
API gate valve
Model: API 600 (WCB/CF8/CF8M)
API 602 (A105/F304)
API 6D (WCB/CF8M)
Parameters: Structure: OS&Y/Wedge Disc
Sealing: Metal to Metal/Stellite
Material: WCB/CF8/CF8M
Pressure Rating: Class150/300/600/900
Design Standard: API/ANSI
carbon steel knife gate valve
Model: API 598 (WCB)
DIN 19526 (WCB)
GB/T 12237 (WCB)
Parameters: Structure: Knife Type/Parallel Disc
Sealing: PTFE/EPDM
Material: WCB Carbon Steel
Pressure Rating: PN16/PN25/PN40
Design Standard: API/DIN/GB
stainless steel knife gate valve
Model: API 598 (CF8/CF8M)
DIN 19526 (304/316)
JIS F7380 (SUS304)
Parameters: Structure: Knife Type/Parallel Disc
Sealing: PTFE/EPDM
Material: 304/316 Stainless Steel
Pressure Rating: PN10/PN16/PN25
Design Standard: API/DIN/JIS
carbon steel gate valve
Model: DIN 3352 F4/F5 (WCB)
EN 12516 (LCB)
GB/T 12234 (WCB)
Parameters: Structure: NRS/OS&Y
Sealing: Metal to Metal/EPDM
Material: WCB/LCB Carbon Steel
Pressure Rating: PN16/PN25/PN40/PN63
Design Standard: DIN/EN/GB
Stainless steel flange gate valve
Model: DIN 3352 F4/F5(CF8/CF8M)
EN 1074 (304/316)
JIS B2062 (SUS304)
Parameters: Structure: NRS/OS&Y
Sealing: EPDM/Viton
Material: 304(SUS304)/316(SUS316) Stainless Steel
Pressure Rating: PN10/PN16/PN25/PN40
Design Standard: DIN/EN/JIS
Flange resilient gate valve
Model: DIN 3352 F4
DIN 3352 F5
Parameters: Structure: NRS
Sealing: EPDM/NBR
Material: GGG50 / QT500-7 Ductile Iron
Pressure Rating: PN10 / PN16 / PN25
Design Standard: DIN Standard
Company Gallery
Certifications & Awards
Success Stories & Case Studies
power plant
Resistant to High Temperatures and High Pressure
our valves ensured the stability and safety of the equipment operation, effectively meeting the stringent requirements of a large energy company for continuous production and heating.
Project Contractor
The product quality is excellent; we have established a deep cooperative partnership and place multiple orders annually.
The product has received excellent reviews in the Colombian market, distinguished by its reliable quality, competitive pricing, and a highly responsive after-sales support team.
End User
Durable, excellent sealing performance.
Ample Stock, Fast Delivery
Wholesaler
100% Positive Reviews
The client is the largest hardware tool wholesaler in the local area. It has been three years since our initial collaboration, and they order over 200 valves from our company annually.
Bidding project
Zero Leakage
The client utilized the solution we provided to participate in a bid—winning on their very first attempt—and subsequently expressed their high satisfaction.
End User
2 years stable
The valves are reasonably priced and enjoy high acceptance in the local market; customers have placed repeat orders on multiple occasions.
Water Utility Company
Low maintenance costs
For urban water supply pipelines buried deep underground, extended valve stems are designed to facilitate operation from ground level.
Government Projects
Zero Leakage
Fast delivery, on-site installation guidance provided, and high customer satisfaction.
Project Contractor
2 years stable
Providing systematic piping products to enhance procurement efficiency.
Company & Product Videos
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Customer Testimonials & Success Stories
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