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 | Alloy Steel Double Layer Stuffing Box ，Polished Rod Stuffing Box Seal ，API 11B Wellhead Tool | ||
Stuffing Box Detail information
The stuffing box is a crucial device utilized in wellheads to achieve dynamic sealing, effectively sealing the annular space between the tubing pipe and the polished rod.
Specifically designed for pumping units, the Double Packed Stuffing Box (DPSB) boasts several noteworthy characteristics:
1. It incorporates a unique misaligning feature that minimizes the need for precise alignment with the pumping unit, thereby simplifying installation.
2. The primary packing can be easily replaced under pressure by tightening the compression bolts, ensuring efficient maintenance without interrupting operations.
3. Equipped with cone packing, the DPSB enhances the sealing capacity, providing a reliable and secure seal that minimizes the risk of leaks.
4. The Lub Upper Gland (LUG) is fitted with a grease zerk, enabling easy lubrication of the polished rod to optimize performance and prolong its lifespan.
5. Optional components, such as the Oil Reservoir Gland (ORG) and Anti-Pollution Adapter (APA), are available to cater to specific requirements and enhance functionality.
6. The LUG is designed with two heavy hex nuts on each bolt, enabling it to support a significant load of up to 20,000 lbs. during well servicing, ensuring stability and safety.
7. A flanged bottom connection can be accommodated upon special order, allowing for customized installation based on specific needs.
8. Widely recognized as an industry-standard, the DPSB is renowned for its wide usage, cementing its position as one of the most commonly employed stuffing boxes in the field. Its reliability and versatility make it a popular choice among professionals in the industry.
Features of stuffing box for polished rod:
| Working Pressure | ≤1500psi |
| Bottom Thread | 1.3/4”, 2”, 2.1/2”, 3”, 3.1/2”, 4” |
| Bottom Connection | Box or Pin, API Tubing or Line Pipe thread. |
| Material | AISI1045/4130 casting steel or ductile iron |
| Split Cone Packing (rod sizes) |
1”, 1.1/8”, 1.1/4”, 1.1/2” and 1.3/4”. |
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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