Female Thread Tee

Overview of Female Thread Tee

A Female Thread Tee​ is a crucial pipe fitting designed with internal threads on all three outlets to create secure 90-degree branch connections in piping systems. Engineered to meet international standards, this fitting enables the diversion of fluid or gas flow in multiple directions while maintaining system integrity. Constructed from robust materials including brass, stainless steel, PVC, and malleable iron, female thread tees withstand varying pressure ratings (typically 1.6MPa and above) and temperature ranges (from -10°C to 110°C for standard applications) . Their threaded design facilitates easy installation and maintenance without specialized tools, making them indispensable across industrial, commercial, and residential plumbing systems. With a service life matching the pipeline system itself, female thread tees provide reliable performance in water supply, chemical processing, fire protection, and hydraulic applications .

Key Features of Female Thread Tee

Superior Corrosion Resistance

Female thread tees demonstrate exceptional resistance to corrosion, chemicals, and environmental degradation. Brass and stainless steel variants offer excellent performance in water, oil, and gas applications, while PVC/UPVC options provide immunity to electrochemical corrosion, making them ideal for aggressive chemical environments .

Robust Pressure Handling Capacity

Engineered for durability, these tees maintain structural integrity under significant pressure fluctuations. Standard versions typically withstand working pressures of 1.6MPa, with heavy-duty models rated for higher pressure applications up to 3000psi in industrial settings .

Versatile Material Compatibility

Available in multiple materials including brass, stainless steel (304/316), PVC, UPVC, PP-R, and malleable iron, female thread tees accommodate diverse application requirements. This versatility ensures compatibility with various media including potable water, chemicals, fuels, and compressed gases .

Standardized Threading Options

Featuring standardized thread types such as BSPP (parallel), BSPT (tapered), and NPT, these tees ensure global interoperability and leak-proof connections. This standardization simplifies system design, maintenance, and component replacement across international projects .

Temperature Adaptability

With operational temperature ranges spanning from -10°C to 110°C (extendable to 130°C for certain metal alloys), female thread tees perform reliably in both freezing environments and high-temperature applications, maintaining sealing capability and structural stability .

Easy Installation and Maintenance

The uniform internal threading allows for straightforward installation using standard pipe tools. Their design facilitates quick disassembly for system modifications or maintenance, significantly reducing downtime in industrial processes .

Typical Applications of Female Thread Tee

Industrial Plumbing Systems

Female thread tees serve critical functions in industrial plumbing, enabling flow direction changes and equipment connections in water supply networks. Their corrosion resistance ensures long-term reliability in both hot and cold water distribution systems .

Chemical Processing Plants

Resistant to a wide range of chemicals, these tees are employed in chemical transport systems where they divert aggressive media to various processing units. Stainless steel and PVC variants are particularly suitable for handling corrosive acids and alkalis .

Fire Protection Systems

In fire sprinkler installations, female thread tees provide necessary branch connections while maintaining system pressure integrity. Their robust construction ensures reliability during emergency operation, with certifications meeting fire safety standards .

Hydraulic and Pneumatic Systems

The precision threading and pressure resilience make these tees ideal for hydraulic and pneumatic applications where leak-proof connections are critical. They facilitate complex circuit configurations in machinery and automation equipment .

Agricultural Irrigation

Used extensively in irrigation systems, female thread tees distribute water to multiple zones while withstanding environmental exposure. Their UV-resistant variants (particularly PVC) ensure longevity in outdoor farming applications .

Oil and Gas Applications

Specialized versions with enhanced pressure ratings and materials suitable for hydrocarbon services are deployed in oil and gas installations. These tees maintain sealing integrity under demanding pressure and temperature conditions .

Technical Specifications

Table: Standard Female Thread Tee Specifications

Parameter​	Specification Range​	Standards​
Size Range​	1/8″ to 2″ (3mm to 50mm)	ISO, DIN, ANSI
Pressure Rating​	1.6MPa to 16MPa (customizable)	Industry standards
Temperature Range​	-10°C to 110°C (standard)	Material-dependent
Thread Types​	BSPP, BSPT, NPT, PT (ISO 7/1)	International standards
Materials​	Brass, SS304/316, PVC, UPVC, PP-R, Malleable Iron	Various certifications
Connection Type​	Threaded (female-female-female)	Standard piping practice

SIZE	d1	d2	I	D1	D2	d	H1	H2	L	PT(牙)
DN15*1/2″	20.3	20.1	16	27	27	17	28.5	28.5	57	14
DN20*3/4″	25.3	25.1	19	33	33	23	34	34	68	14
DN25*1″	32.3	32.1	22	40.5	40.5	29	41.5	41.5	83	11
DN32*1-1/4″	40.3	40.1	26	49.1	49.1	37	48.8	48.8	97.6	11
DN40*1-1/2″	50.3	50.1	32	61	61	47	57.5	57.5	115	11
DN50*2″	63.6	63.1	38	75	75	60	71.3	71.3	142.6	11

Frequently Asked Questions (FAQs)

Q1: What thread standards are available for female thread tees?

Female thread tees are manufactured with various international thread standards including BSPP (British Standard Pipe Parallel), BSPT (British Standard Pipe Tapered), NPT (National Pipe Taper), and PT (Pipe Taper) according to ISO 7/1. Selection depends on regional requirements and application specifics .

Q2: Can female thread tees be customized for special applications?

Yes, manufacturers offer customization in dimensions, materials, pressure ratings, and specific thread combinations. Customized solutions are available for specialized industrial applications including high-pressure, extreme temperature, and corrosive media services .

Q3: What is the typical delivery time for female thread tee orders?

Standard orders typically ship within 2-3 weeks after order confirmation. Delivery times may vary based on order quantity and customization requirements, with express options available for urgent projects .

Q4: How does the female thread tee ensure leak-proof connections?

The precision-cut threads combined with proper thread sealants (Teflon tape, pipe dope) create metal-to-metal or plastic-to-metal interference fits that prevent leakage. Tapered thread designs provide increasingly tight seals as components are assembled .

Q5: What quality certifications do these products carry?

Reputable manufacturers produce female thread tees with certifications including ISO 9001, API, CE, and industry-specific standards like water contact approvals. These certifications ensure consistent quality and performance reliability .