PVC Schedule 80 Pipe is for pressure applications and has a thicker wall than Schedule 40 pipe. It is highly durable, easy to install and has better sound deadening qualities than PVC and ABS Foarm Core pipes. Installation requires the use of primer and solvent cement.
ASTM D 1785: Specification for poly (vinyl chloride) (PVC) plastic pipe, Schedule 40, 80, and 120 Scope: This specification covers PVC pipe in Schedule 40,80, and 120 for pressure applications. This system is intended for pressure applications where the operating temperature will not exceed 140° F.
ASTM D 2467: Specifications for poly (vinyl chloride) (PVC) plastic pipe fittings, Schedule 80 Scope: This specification covers (PVC) schedule 80 fittings which are used with the distribution of pressurized liquids only.
ASTM SCH40 PVC Fittings 45 DEG ELBOW
ASTM SCH40 C-PVC fittings Specification:
ASTM SCH40 C-PVC Pipe and fittings shall be manufactured from virgin rigid PVC (polyvinyl chloride) vinyl compounds with a cell class of 12454 as identified in ASTM D 1784.
PVC Schedule 40 pipe and PVC Schedule 80 pipe shall be Iron Pipe Size (IPS) conforming to ASTM D 1785. Injection molded PVC Schedule 40 fittings and PVC Schedule 80 fittings shall conform to ASTM D 2466 and ASTM D 2467 Respectively. PVC Schedule 80 threaded fittings shall conform to ASTM D 2464.
ASTM SCH40 C-PVC fittings Description
ASTM SCH40 C-PVC fittings Description:
Material:new PVC/UPVC/CPVC
2.Size(mm):1/2 inch to 4 inch.
3.Color:grey,white or as your requirements.
4.Standard:ASTM SCH40 & SCH80.
5.Packing:in cartons or as your requirements.
6.Delivery time:15-30 days after receive your payment.
7.Application:water supply,industry liquid transportation and sewage treatment.
ASTM SCH40 C-PVC fittings Advantages
ASTM SCH40 C-PVC fittings Advantages:
1) Non-toxic:no heavy additives,would not be covered with dirt or contaminated by bacterium.
2) Corrosion Resistant:resist chemical matters or electron chemical corrosion.
3) Lower Installation Costs:light weight and ease of installation can reduce installation costs by as much as 50% over metal piping system.
4) Higher Flow Capacity:smooth interior walls results in lower pressure loss and higher volume than metal pipe.
5) Longevity:more than 50 years under proper use.
6) Recycled and Environment-friendly.
ASTM SCH40 C-PVC fittings Application
1) Water draingae system for civil and industrial construction.
2) Liquid dirt drainage system in industrial production.
The Complete Guide to ASTM SCH40 PVC Fittings: Standards, Types, and Applications
In the world of pressure piping systems, ASTM SCH40 PVC fittings represent the industry standard for reliable, code-compliant connections in residential, commercial, and industrial applications. Understanding these components helps engineers, contractors, and facility managers select the right fittings for their specific requirements.
What Are ASTM SCH40 PVC Fittings?
ASTM SCH40 PVC fittings are pipe connection components manufactured to strict specifications defined by the American Society for Testing and Materials (ASTM). These fittings are made from polyvinyl chloride (PVC) compounds and are designed for use with Iron Pipe Size (IPS) outside-diameter plastic pipe.
The primary governing standard is ASTM D2466, which specifically covers poly(vinyl chloride) (PVC) Schedule 40 pipe fittings. This standard establishes requirements for materials, workmanship, dimensions, and burst pressure, ensuring consistent quality across all compliant products.
Key characteristics of Schedule 40 PVC fittings include:
Manufactured from PVC Cell Class 12454 (Type 1, Grade 1)
White color (typical for identification)
NSF certification for potable water applications
Temperature rating up to 140°F (60°C)
Pressure ratings up to 450 psi at 73°F, derating as temperature increases
Critical Safety Warning
IMPORTANT:ASTM SCH40 PVC fittings are intended for use with the distribution of pressurized liquids only, which are chemically compatible with the piping materials.
Never test with or transport/store compressed air or gas in PVC pipe or fittings. Pressurized air or other compressed gases contain large amounts of stored energy which present serious safety hazards should a system fail for any reason. Doing so can result in explosive failures and cause severe injury or death.
Common Types of ASTM SCH40 PVC Fittings
Understanding the different types of PVC SCH 40 fittings is essential for proper system design. Here are the most common configurations:
Elbows (Ells)
90-degree elbows change the direction of flow for tight spaces, while 45-degree elbows provide smoother directional changes with reduced friction. Side outlet ells feature an additional side outlet for branching.
Tees
Tee fittings split flow into two branches at a 90-degree angle. These are fundamental for creating distribution networks from main supply lines.
Crosses
Cross fittings split flow into four directions in a plus-shape configuration, used in complex distribution layouts.
Couplings
Standard couplings join two sections of pipe in a straight line. Repair couplings feature extended sockets without central stops, allowing the coupling to slide along the pipe for efficient repairs.
Adapters and Bushings
Adapters transition from PVC pipe to a different material or fitting type. Reducer bushings (spigot x socket) decrease the size of a pipe opening for smaller diameter connections. Reducing female adaptors are also available for size transitions with threaded connections.
Caps and Plugs
Caps seal off the end of a pipe permanently. Threaded plugs close off openings in fittings, commonly used in threaded connections.
Wyes
Wye fittings merge or split flow at a 45-degree angle, providing smoother flow for branch lines compared to tees, ideal for drainage applications.
Clamp-On Saddles
Clamp-On Saddles allow quick, reliable addition of branch lines to existing piping systems. These feature O-ring seals (Buna-N, EPDM, or Viton®) and multi-bolt designs with excellent pressure capabilities.
Relevant Standards for SCH40 PVC Fittings
Quality Schedule 40 PVC fittings must comply with several key standards:
Standard
Scope
Application
ASTM D2466
PVC Schedule 40 socket-type fittings
Primary standard for pressure fittings
ASTM D2464
Threaded PVC Schedule 40 fittings
Threaded connections
ASTM D1784
Rigid PVC compounds classification
Material specifications
ASTM D1785
PVC Schedule 40 pipe
Pipe compatibility
NSF/ANSI 14
Plastic piping system components
General certification
NSF/ANSI 61
Drinking water system components
Potable water safety
Socket-type CPVC plastic pipe fittings, Schedule 40, which were formerly included in ASTM D2466, are now covered under Specification F438.
Applications Across Industries
ASTM SCH40 PVC fittings serve critical functions across numerous sectors:
Residential Applications
Cold water supply lines in homes
Drain, waste, and vent (DWV) systems
Irrigation and lawn sprinkler systems
Pool and spa plumbing
Commercial Applications
Non-potable water systems
Fire suppression sprinkler systems
HVAC condensate drains
Commercial aquaculture water circulation
Industrial Applications
Transport of corrosive fluids
Mining and mineral processing
Industrial waste management
Chemical processing facilities
Installation Best Practices
Proper installation is essential for maximizing PVC SCH 40 fitting performance:
Solvent Welding
ASTM SCH40 PVC fittings are joined using solvent welding, which creates a strong chemical bond between the pipe and fitting. The process requires:
Primer manufactured for thermoplastic piping systems
Solvent cement conforming to ASTM D 2564
A two-step application process
Pressure Considerations
Schedule 40 PVC fittings handle moderate pressure applications, with ratings that decrease as temperature increases -3. Always consult manufacturer specifications for exact pressure ratings at operating temperatures.
Advantages of ASTM SCH40 PVC Fittings
ASTM SCH40 PVC Fittings
Durability and Strength
PVC SCH 40 fittings offer high resistance to physical wear and chemical corrosion. Their thicker walls ensure stability under pressure and structural integrity even when exposed to chemicals, salts, and aggressive fluids.
Corrosion Resistance
Unlike metal alternatives, Schedule 40 PVC fittings do not rust, corrode, or scale. They are immune to degradation from chlorine, chloramines, and other chemicals commonly found in water systems.
Ease of Installation
The lightweight nature of PVC reduces handling difficulties for faster assembly and lower labor time. Solvent welding creates strong, leak-proof joints without requiring specialized welding techniques or equipmen.
Cost-Effectiveness
ASTM SCH40 PVC fittings offer excellent value with low material cost, simple installation, long service life, and minimal maintenance requirements.
NSF Certification
Many Schedule 40 PVC fittings carry NSF/ANSI 61 and 14 certifications, confirming their safety for potable water systems and compliance with health effects requirements.
Conclusion
ASTM SCH40 PVC fittings represent a proven, reliable solution for pressure liquid distribution across residential, commercial, and industrial applications. Manufactured to strict ASTM D2466 standards and available in numerous configurations—from basic elbows and tees to specialized adapters and saddles—these components deliver the performance, durability, and code compliance that professional installations demand.
When specified according to appropriate standards, certified for potable water use, and installed correctly with proper solvent welding techniques, Schedule 40 PVC fittings provide decades of reliable service in cold water applications. Always follow manufacturer guidelines, observe temperature and pressure ratings, and never use these fittings with compressed air or gases.
Whether you’re designing a residential plumbing system, installing commercial irrigation, or outfitting industrial processing facilities, ASTM SCH40 PVC fittings offer the strength, corrosion resistance, and value that professional applications require.
