Tigre
PVC Socket Safety Block Single Union Ball Valves with EPDM Seals
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description

PVC Socket Safety Block Single Union Ball Valves with EPDM Seals
White PVC Socket Safety Block Single Union Ball Valves provide manual on/off flow control for compatible PVC piping systems. These Tigre DuraPlastic S4 series valves feature socket ends, white PVC bodies, EPDM seals, and a listed pressure rating of 150 PSI.
Available in 1/2" and 1-1/4" nominal sizes, these valves combine a Safety Block design with a single union configuration. The socket ends are intended for compatible solvent-cement PVC piping installations.
Product Highlights
- Socket ends for compatible PVC piping
- Safety Block ball valve design
- Single union configuration
- White PVC construction
- EPDM sealing components
- 150 PSI listed pressure rating
- Manual quarter-turn operation
- Available in 1/2" and 1-1/4" sizes
- Suitable for compatible solvent-cement installations
- Tigre DuraPlastic S4 series
Available Sizes & Part Numbers
| Nominal Size | Manufacturer Part Number | SKU | Connection | Seals | Pressure Rating |
|---|---|---|---|---|---|
| 1/2" | S4-005 | 100027258 | Socket | EPDM | 150 PSI |
| 1-1/4" | S4-012 | 100027261 | Socket | EPDM | 150 PSI |
Technical Specifications
| Product Type | Socket Safety Block Single Union Ball Valve |
|---|---|
| Brand | Tigre DuraPlastic |
| Manufacturer Series | S4 |
| Body Material | PVC |
| Color | White |
| Valve Design | Safety Block |
| Union Configuration | Single Union |
| Connection | Socket |
| Joining Method | Solvent Cement for Compatible PVC Piping |
| Seal Material | EPDM |
| Operation | Manual Quarter-Turn |
| Available Sizes | 1/2", 1-1/4" |
| Listed Pressure Rating | 150 PSI |
Product Details
1/2" White PVC Socket Safety Block Single Union Ball Valve
S4-005 | SKU 100027258
This 1/2" Safety Block ball valve features socket ends, a single union design, white PVC construction, and EPDM seals. Listed pressure rating: 150 PSI.
1-1/4" White PVC Socket Safety Block Single Union Ball Valve
S4-012 | SKU 100027261
This 1-1/4" Safety Block ball valve features socket ends, a single union design, white PVC construction, and EPDM seals. Listed pressure rating: 150 PSI.
Socket Ends
Socket ends are designed for compatible PVC pipe connections using the appropriate solvent-cement joining method. These are not threaded valves.
Safety Block Design
The S4 series features a Safety Block ball valve configuration for manual flow isolation in compatible piping systems.
Single Union Construction
The single union configuration provides a union connection on one side of the valve, distinguishing it from true union models with unions on both sides.
White PVC Body
Nonmetallic PVC construction is intended for compatible piping applications. Verify fluid, pressure, and temperature requirements before installation.
EPDM Seals
Both sizes use EPDM sealing components. Confirm compatibility with the intended fluid and operating conditions.
150 PSI Pressure Rating
Both models have a listed pressure rating of 150 PSI. Consult the manufacturer's documentation for applicable temperature and service limitations.

Product Resources & Support
Review the manufacturer's valve specification sheet for additional technical information. Need help selecting the correct socket valve size or confirming PVC and EPDM compatibility? Contact the GetPipe.com team.
Frequently Asked Questions
What type of valves are these?
These are Tigre DuraPlastic white PVC Socket Safety Block single union ball valves with EPDM seals.
Are these socket or threaded valves?
These are socket valves, not threaded valves. They are intended for compatible PVC solvent-cement piping connections.
What sizes are available?
Available sizes are 1/2" and 1-1/4".
What is the 1/2" valve part number?
S4-005, SKU 100027258.
What is the 1-1/4" valve part number?
S4-012, SKU 100027261.
What is a single union ball valve?
A single union valve has a union connection on one side, unlike a true union valve with union connections on both sides.
How are the socket ends installed?
Socket ends are joined to compatible PVC pipe using the appropriate solvent cement and installation procedure specified for the piping system.
What material are these valves made from?
Both models feature white PVC valve bodies.
What seal material is used?
Both models use EPDM seals.
What is the pressure rating?
Both models have a listed pressure rating of 150 PSI. Check the manufacturer's specifications for service limitations.
Are these compact or true union valves?
No. These are Safety Block single union valves, distinct from compact and true union configurations.
Where can I find technical documentation?
The Valves Specification Sheet is available in the Product Resources & Support section above.
Important Ordering Notes
This listing includes S4-005 (SKU 100027258), 1/2", and S4-012 (SKU 100027261), 1-1/4". Both are White PVC Socket Safety Block Single Union Ball Valves with EPDM Seals rated at 150 PSI. These valves have socket ends, not threaded connections. Verify nominal size, compatible PVC pipe, material suitability, and operating conditions before purchase.