显示标签为“pme industrial”的博文。显示所有博文
显示标签为“pme industrial”的博文。显示所有博文

2026年9月30日星期三

Selecting Half Clamp Sets for High-Pressure Piping

Engineering Guide: Selecting and Fitting Half Clamp Sets for High-Pressure Piping

Published by Shanghai PME Industrial Technical Team | Oilfield Equipment & Flowline Insights

In high-pressure oil and gas drilling, cementing, and fluid transfer operations, dynamic pressure surges can cause severe line displacement if proper mechanical restraints are missing. Ensuring structural stability across fluid lines requires heavy-duty components like the 2 Half Clamp Set, which anchors high-pressure spreads safely.

Half Clamp Set TS 3 Half Inch OD 5K Hose with bolts and nuts

Figure 1: 3-1/2" OD 5K clamp set designed for secure industrial line restraint.

1. Why Accurate Hose Outer Diameter (OD) Matters

A common pitfall in procurement is specifying clamps by nominal size alone rather than actual outer dimensions. Because wall thicknesses vary across 5K and 10K service lines, engineering teams must provide the precise outer diameter (OD) when requesting a half clamp set. This ensures the clamping halves deliver uniform radial pressure without damaging the outer rubber cover or inner wire reinforcement layers.

Half Clamp Set TS 4 Inch OD 5K Hose heavy duty mechanical restraint

Figure 2: 4" OD 5K heavy-duty structural clamping assembly.

2. Hardware Configuration: Bolts, Nuts, and Safety Standards

Standard industrial clamp sets are supplied complete with high-tensile bolts and nuts (excluding slings) to facilitate rapid field assembly. Key installation practices include:

  • Uniform Torque Application: Tighten opposing bolts in a criss-cross pattern to maintain even clamp gap spacing.
  • Corrosion Protection: Ensure hardware is treated or coated to withstand harsh offshore and onshore weather conditions.
  • Regular Inspection: Periodically check torque levels during routine rig maintenance.
Half Clamp Set bulk export packaging with bolts and nuts

Figure 3: Secure batch packaging and export readiness for international dispatch.

Conclusion

Investing in certified, heavy-duty hardware prevents costly downtime and enhances operational safety. To review detailed sizing tables, models, and specifications for your upcoming projects, visit the official Shanghai PME Industrial Product Page.

2026年5月10日星期日

From 4" H2S Service to 12" Large Bore: Versatility of FIG 206 Hammer Unions in Global Projects

Scaling Up: Why 12-Inch FIG 206 Hammer Unions Define High-Volume Fluid Transfer

In the evolving landscape of oilfield logistics, the demand for larger bore diameters is increasing to accommodate higher flow rates and reduce friction loss. While 2" and 4" unions are industry staples, the manufacturing of a 12 Inch 2000 PSI Union—such as the Weco Type FIG 206—requires specialized engineering precision and robust Butt Welded Hammer Union technology.

12 inch FIG 206 2000 PSI Butt Welded Hammer Union full assembly for SE Asia project.

The sheer scale of a 12-inch FIG 206 assembly for major Southeast Asian infrastructure.

Technical Integrity in Large Bore Connections

The primary advantage of the FIG 206 Hammer Union is its O-ring seal, which ensures a secondary leak-proof barrier in addition to the metal-to-metal contact. When applied to a 12-inch diameter, the pressure distribution must be perfectly balanced. Precise marking and traceability are non-negotiable for these high-volume components.

Close-up of size and pressure markings on 12 inch FIG 206 large bore hammer union.

Clear specification markings are vital for site safety and component identification.

Adapting for Sour Gas: The European Standard

Beyond size, material science plays a pivotal role. For European drilling operations involving corrosive environments, 4-inch H2S Service Hammer Unions are the preferred choice. These components undergo rigorous heat treatment and NACE-compliant testing to prevent hydrogen-induced cracking.

4 inch FIG 206 H2S Service male sub

4" H2S Male Sub

4 inch FIG 206 H2S Service female sub

4" H2S Female Sub

As a leading provider of Oilfield Fluid Control Solutions, PME Industrial bridge the gap between standard off-the-shelf parts and highly customized engineering requirements.

Consult PME for Your Next Project

Expert engineering for large bore and H2S service hammer unions.

Contact Our Engineering Team

2021年9月2日星期四

China Compressed Air Rubber Hose 1/2 in, Max 300 Psi, NPT Female Swivel Fittings, Yellow

 Function as Gates Flex 300 Psi multipurpose hoses, PME rubber hoses are suitable for compressed air service.

 

PME compressed air service rubber hoses feature flexible and reinforced structure.

 

Various inside diameter, like air hoses 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2" are for general oil and gas application.

 

Pressure ranges from 150 psi to 300 Psi and the hoses length can be made in 25 feet, 50 feet and 100 feet, customized by clients' request.

 

All rubber hoses are passed pressure tested and tagged with full set of mill of certificates and reports. PME also can offer Original of Certificate and Invoice Attested for PME clients customs clearance. 

 

PME Industrial complete the production for the new batch of air compressed air rubber hoses. Refer to the basic 300 Psi air hoses specification and photos below.

 

Air Hoses

Size: 1/2" x 1 meter

Working Pressure: 300 Psi

Ends: 1/2" NPT Female

Color: Yellow, Black

Manufacturer: PME Industrial

Made in China

 

For any inquiries, no hesitate to call PME sales at +86 138 1899 0736, WhatsApp Same!

 

PME Sales Team

Tel: +86 21 5837 2350

Cell/WhatsApp: +86 138 1899 0736

Email: contact@pmeindustrial.com

Site: www.pmeindustrial.com