Puyang Zhongshi Group Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1000sets/month |
| Delivery Time | 15 work days |
| Packaging Details | Metal or wooden case |
| Application | Oilfield Cementing |
| Brand | OEM |
| Connection Type | NUE/EUE/Premium |
| MOQ | 1 Piece |
| Material | Carbon Steel/Stainless Steel/Alloy Steel |
| Packaging | Wooden Box, Carton, Pallet |
| Pressure Rating | High Pressure |
| Product Name | Oilfield Cementing Tools |
| Size | Customized |
| Standard | API, ANSI, DIN, JIS |
| Surface Treatment | Polishing, Sand Blasting, Painting |
| Temperature Rating | High Temperature |
| Brand Name | ZS |
| Model Number | 1", 1-1/8", 1-1/4", 1-1/2", and 1-3/4" |
| Certification | API 11B |
| Place of Origin | China,Henan |
View Detail Information
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Product Specification
| Payment Terms | T/T | Supply Ability | 1000sets/month |
| Delivery Time | 15 work days | Packaging Details | Metal or wooden case |
| Application | Oilfield Cementing | Brand | OEM |
| Connection Type | NUE/EUE/Premium | MOQ | 1 Piece |
| Material | Carbon Steel/Stainless Steel/Alloy Steel | Packaging | Wooden Box, Carton, Pallet |
| Pressure Rating | High Pressure | Product Name | Oilfield Cementing Tools |
| Size | Customized | Standard | API, ANSI, DIN, JIS |
| Surface Treatment | Polishing, Sand Blasting, Painting | Temperature Rating | High Temperature |
| Brand Name | ZS | Model Number | 1", 1-1/8", 1-1/4", 1-1/2", and 1-3/4" |
| Certification | API 11B | Place of Origin | China,Henan |
| High Light | Pump Polished Rod Sealing Stuffing Box ，API 11B Downhole Tools ，High Temperature Stuffing Box | ||
Stuffing Box Detail information
The stuffing box is an essential component in wellheads that serves as a dynamic sealing device, creating a seal within the annular space between the tubing pipe and the polished rod.
The Double Packed Stuffing Box (DPSB) is a specially designed version intended for pumping units, and it boasts several notable characteristics:
1. It features a unique misaligning capability, which reduces the need for precise alignment with the pumping unit, providing flexibility during installation.
2. The primary packing can be easily changed without interrupting operations by tightening compression bolts, allowing for efficient maintenance.
3. Equipped with cone packing, the DPSB ensures reliable and effective sealing, minimizing the risk of leaks.
4. The Lub Upper Gland (LUG) is equipped with a grease zerk, facilitating the lubrication of the polished rod for improved performance and longevity.
5. Optional components such as the Oil Reservoir Gland (ORG) and Anti-Pollution Adapter (APA) are available to meet specific requirements.
6. The LUG is designed with two heavy hex nuts on each bolt, providing outstanding support of up to 20,000 lbs. during well servicing operations, ensuring safety and stability.
7. Upon special order, a flanged bottom connection can be accommodated, catering to unique installation needs.
8. Renowned for its reliability and versatility, the DPSB is widely recognized as the most widely-used stuffing box in the industry, demonstrating its trusted performance and popularity.
Stuffing Box Detail information
| Type | Stuffing box |
| Machine Type | Petroleum Machinery |
| Certification | API |
| Material | Alloy steel |
| Processing Type | Turning |
| Use | Oil production |
| Working temperature | < 200°C |
| Sealing property | Good |
| Coating | Anti-corrosion |
| Sealing type | Multisage seal |
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
1997
Total Annual:
5 million-10 million
Employee Number:
570~600
Ecer Certification：
Verified Supplier
Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o... Puyang Zhongshi Group Co., Ltd., restructured from SINOPEC in 1997 has 20 years experience on manufacturing petroleum machinery products . The company registered capital is 10 million U.S. dollars, with annual export 30 million U.S. Dollars. We have competitive price of o...
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