Langfang Pannext Pipe Fitting Co., Ltd. is a Sino-US joint venture specialized in the production of malleable iron pipe fittings and bronze pipe fittings. With a focus on high-performance plumbing solutions, the company manufactures a comprehensive range of connectors, including male connector plumbing, female to female pipe connector, and fittings with precision male pipe thread—all designed to meet global industry standards. For wholesalers, understanding the specifications, applications, and advantages of these fittings is key to matching them with customer needs across residential, commercial, and industrial plumbing systems. Langfang Pannext Pipe Fitting Co., Ltd. ensures each product balances durability, compatibility, and safety, making them reliable choices for diverse plumbing projects.

 

Male Connector Plumbing Core Specifications and Material Advantages

 

Male connector plumbing from Langfang Pannext Pipe Fitting Co., Ltd. is engineered with strict adherence to American standards, positioning it as a high-quality solution for plumbing connections. Crafted from malleable iron that complies with ASTM A197, the fittings offer exceptional strength and ductility—critical for withstanding the mechanical stress of pipe installation and long-term use. The material’s inherent toughness prevents brittle fractures, even in temperature fluctuations common in plumbing systems.

 

Product Information	Размер (дюйм)	Dimension A (mm)	Case Qty (Master/Inner)	Special Case Qty (Master/Inner)
CPL02	1/4	34.8	400/200	200/100
CPL03	3/8	41.4	240/120	150/75
CPL05	1/2	47.5	80/40	40/20
CPL07	3/4	53.8	60/30	30/15
CPL10	1	60.2	40/20	20/10
CPL12	1-1/4	72.9	24/12	12/6

 

Female to Female Pipe Connector Compatibility and Application Scenarios

 

Female to female pipe connector from Langfang Pannext Pipe Fitting Co., Ltd. serves as a critical adapter in plumbing systems, designed to connect two pipes or fittings with male pipe thread—filling the gap when direct male-to-male connections are needed. Like the company’s male connector plumbing, this connector is made from ASTM A197 malleable iron, ensuring consistent material quality and mechanical performance across the product line. It shares the same pressure rating and surface finish options , making it compatible with male connector plumbing in terms of durability and corrosion resistance.

 

Product Information	Key Feature	Compatibility	Pressure Rating	Surface Finish	Typical Applications
All CPL Series Equivalents	Dual female threads (NPT/BS21 W)	Connects pipes/fittings with male pipe thread	300 PSI, 10 kg/cm at 550°F	Galvanized/black iron	Pipe extension, male-to-male component linking
1/4" (CPL02 Equivalent)	Precision internal threading	1/4" male pipe thread	Same as above	Same as above	Residential fixture connections
1" (CPL10 Equivalent)	Uniform thread depth	1" male pipe thread	Same as above	Same as above	Commercial valve/meter connections
2" (CPL20 Equivalent)	Thickened wall for strength	2" male pipe thread	Same as above	Same as above	Industrial fluid line extensions

 

Male Pipe Thread Precision and Leak-Proof Design

 

Male pipe thread is a defining feature of Langfang Pannext Pipe Fitting Co., Ltd.’s male connector plumbing and a critical factor in ensuring leak-proof performance. The company manufactures male pipe thread to NPT and BS21 W standards, with strict control over thread pitch, depth, and uniformity—parameters that directly impact connection tightness. Each thread is machined using high-precision tools, ensuring it meshes perfectly with female threads to create a sealed joint.

 

Product Specification	Standard Compliance	Machining Control	Leak-Proof Enhancement	Surface Treatment Impact
All CPL Series male connector plumbing	NPT, BS21 W	Thread pitch, depth, uniformity	Ductile iron deformation to fill gaps	Galvanized: fills irregularities; Black iron: oil coating reduces friction
1/2" (CPL05)	Same as above	Same as above	Same as above	Same as above
3/4" (CPL07)	Same as above	Same as above	Same as above	Same as above
2" (CPL20)	Same as above	Same as above	Same as above (thicker thread for high pressure)	Same as above

 

Male Connector Plumbing Certification and Quality Assurance

 

Male connector plumbing from Langfang Pannext Pipe Fitting Co., Ltd. holds FM and UL Listed certifications—global marks of quality that validate its safety and performance. These certifications are awarded only after rigorous testing, including pressure resistance, corrosion resistance, and mechanical strength evaluations—ensuring the fittings meet the strictest standards for plumbing applications. For wholesalers, certification is a key selling point, as it provides customers with confidence that the products will perform reliably and comply with local building codes.

 

Quality Assurance	Certification	Key Tests	Test Standards/Requirements	Outcome
All CPL Series Fittings	FM, UL Listed	Raw Material Testing	ASTM A197 malleable iron compliance	Ensures material strength/ductility
	Same as above	Thread Precision Check	NPT/BS21 W thread pitch/depth	Guarantees leak-proof connections
	Same as above	Coating Test	Zinc coating: 77.6 um min, 86 um avg	Prevents corrosion
	Same as above	Pressure Test	300 PSI, 10 kg/cm at 550°F	Validates pressure resistance
	Same as above	Mechanical Test	Tensile strength: 28.4 kg/mm min; Elongation: 5% min	Ensures installation durability

 

Male Connector Plumbing FAQS

 

What makes male connector plumbing from Langfang Pannext suitable for high-pressure applications?

 

Male connector plumbing from Langfang Pannext Pipe Fitting Co., Ltd. is suitable for high-pressure applications due to its material and design. Made from ASTM A197 malleable iron, it has a minimum tensile strength of 28.4 kg/mm and 5% elongation, allowing it to withstand pressure without breaking. It also has a pressure rating of 300 PSI and 10 kg/cm at 550°F, which meets the demands of medium to high-pressure plumbing systems. The precision male pipe thread ensures a tight seal, and the galvanized coating prevents corrosion that could weaken the fitting under pressure—all combining to make it reliable for high-pressure use.

 

How does female to female pipe connector work with male connector plumbing?

 

Female to female pipe connector from Langfang Pannext Pipe Fitting Co., Ltd. works as an adapter between male connector plumbing and other male-threaded components. It has dual internal threads that match the male pipe thread of the company’s male connector plumbing, allowing users to link two male connectors or a male connector to a male-threaded pipe/valve. For example, if a plumber needs to extend a pipe with a male connector plumbing on one end, they can use the female to female pipe connector to attach another male connector plumbing-fitted pipe. The connector shares the same material and pressure rating as male connector plumbing, ensuring compatibility and safety.

 

What standards does male pipe thread of Langfang Pannext’s fittings comply with?

 

The male pipe thread of Langfang Pannext Pipe Fitting Co., Ltd.’s fittings complies with two key standards: NPT and BS21 W. These standards define the thread’s pitch, angle, and depth, ensuring compatibility with plumbing components globally—NPT is widely used in North America, while BS21 W is common in Europe and Asia. The company’s precision machining ensures each male pipe thread meets these standards exactly, preventing mismatches that could cause leaks. This compliance is critical for wholesalers, as it means the fittings can be sold to customers in different regions without compatibility issues.

 

Why choose galvanized finish for male connector plumbing?

 

Choosing the galvanized finish for male connector plumbing from Langfang Pannext Pipe Fitting Co., Ltd. is ideal for environments where corrosion resistance is needed. The hot-dip zinc coating has a minimum thickness of 77.6 um, forming a protective barrier against moisture, salt, and chemicals—common causes of rust in plumbing systems. This makes galvanized male connector plumbing suitable for outdoor use, underground installations, or humid indoor areas. The coating also enhances the male pipe thread’s leak-proof performance by filling minor surface irregularities, ensuring a tighter seal with female components.

 

Does Langfang Pannext’s female to female pipe connector have the same quality as its male connector plumbing?

 

Yes, Langfang Pannext Pipe Fitting Co., Ltd.’s female to female pipe connector has the same quality as its male connector plumbing. Both products are made from ASTM A197 malleable iron, ensuring equal strength, ductility, and durability. They share the same pressure rating, surface finish options, and certification. The female to female pipe connector also undergoes the same quality tests—including raw material inspection, thread precision checks, and pressure testing—as male connector plumbing. This consistency ensures wholesalers can offer both products with confidence, knowing they meet the same high standards for performance and safety.

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Post time: Авг-28-2025