High Performance Plastic Thread Protectors For Drill Pipe / Casing / Tubing
Plastic Thread Protectors for Drill Pipe, Casing and Tubing — Handling Requirements
Description
Plastic thread protectors cover identified pipe-end threads during transport and storage. Drill pipe, casing and tubing require connection-specific protectors; provide the pipe type, full connection designation and pin or box end for selection.
Define the handling requirements before selecting a protector: installation method, required coverage, retention, exposure conditions and storage duration. Any impact, temperature or ingress requirement needs an agreed test method and acceptance criteria for the actual part.
Plastic protectors and metal-plastic composite protectors have different constructions. Specify the resin grade, geometry and any reinforcement separately; the plastic designation does not imply steel construction.
Reuse requires inspection for thread damage, cracks, distortion and contamination. A protector that no longer meets the agreed fit or handling criteria should be replaced.
Compare protectors against the same connection drawing and test requirements. Price, color and a general performance description do not establish equivalent thread coverage or handling capability.
Size references in inches: 2-3/8, 2-7/8, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6-5/8, 7, 7-5/8, 8-5/8, 9-5/8, 10-3/4, 11-3/4, 13-3/8, 16 and 20. Connection references include NC26, NC38, NC50, REG, BTC, STC and LTC. Specify the exact size/connection combination; these references span different pipe types and do not establish interchangeability.
Connection and Handling Specification:
1. Identify the pipe type and full connection designation.
2. Define temperature, weather exposure and storage duration.
3. Specify resin grade and required construction.
4. Agree size, connection and lot identification.
5. Review installation and removal features.
6. Provide the applicable connection drawing.
7. Define required thread coverage and clearances.
8. Verify fit on the intended pin or box end.
9. Agree impact, retention or ingress acceptance criteria where required.
10. Set inspection and reuse requirements.
11. Record the approved part number and drawing revision.
Packaging & Shipping
| Port: | Shanghai |
| MOQ: | 1000 pcs,Custom parts: 5000pcs |
| Packing: | bulk packing or custom packing |
| Payment: | PayPal, T/T, Western Union, L/C |
| Delivery time: | Depend on the quantity |
Other oil and gas industry accessories for choice:
Our company
Shanghai Qinuo Industry Co., Ltd. reviews protector enquiries from identified pipe-end drawings or samples. Define the required handling conditions so the part specification can be reviewed for the intended connection.
The review covers resin selection, molded geometry, thread engagement, grip features and inspection requirements for the selected protector.
Agree sample-fit and handling acceptance criteria before production. Record changes to resin, connection geometry or required tests for repeat orders.
Manufacturing operates under ISO 9001 quality management. Product-specific conformity or performance documents are requested against the actual order requirements.
FAQ
1. How should a handling-performance requirement be specified?
State the expected handling and storage conditions, then agree measurable acceptance criteria for the actual protector design.
A general performance label does not substitute for a defined test method, test conditions and recorded result.
2. What belongs in the purchase specification?
a. Pipe type, size and connection designation.
b. Pin or box end configuration.
c. Thread engagement and coverage requirements.
d. Resin grade, color and construction.
e. Installation and removal method.
f. Exposure and storage conditions.
g. Agreed tests and inspection documents.
3. Can one protector fit drill pipe, casing and tubing?
1. Each connection requires its own dimensional review.
2. Similar pipe size labels do not prove thread compatibility.
3. Check thread form, engagement and clearances.
4. Identify each protector by approved part number.
5. Trial-fit the actual connection where required.
4. What should be reviewed before reuse?
1. Cracks or distorted walls.
2. Damaged or stripped protector threads.
3. Contamination on contact surfaces.
4. Fit, coverage and retention against the agreed criteria.
5. Applicable storage and inspection procedure.
Send the pipe-end drawing with handling conditions and acceptance requirements for a connection-specific protector quotation.
Custom protectors can be reviewed from a drawing or sample; approve dimensions, fit and required tests before production.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.