Tigre
PVC Safety Block True Union Ball Valves with EPDM Seals
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- Usually Ships Same Day
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- 0.00 LBS
Description

PVC Safety Block True Union Ball Valves with EPDM Seals
PVC Safety Block True Union Ball Valves with EPDM Seals provide manual on/off flow control for compatible piping systems. These Tigre DuraPlastic ST8 series valves feature PVC construction, EPDM seals, a true union configuration, and a listed pressure rating of 150 PSI.
Available in nominal sizes from 3/4" through 4", these Safety Block ball valves are offered with slip or threaded connection configurations. The true union design allows the valve body to be removed from compatible piping connections for servicing. Confirm the connection type and installation requirements for the selected manufacturer part number before ordering.
Product Highlights
- Safety Block ball valve design
- True union valve configuration
- PVC valve construction
- EPDM sealing components
- 150 PSI listed pressure rating
- Manual quarter-turn operation
- Slip and threaded connection options
- Seven verified manufacturer part numbers
- Nominal sizes from 3/4" through 4"
- Nonmetallic valve body construction
- Tigre DuraPlastic ST8 series
Available Sizes & Part Numbers
| Nominal Size | Manufacturer Part Number | SKU | Valve Configuration | Seal Material | Pressure Rating |
|---|---|---|---|---|---|
| 3/4" | ST8-007 | 100027267 | Safety Block True Union | EPDM | 150 PSI |
| 1" | ST8-010 | 100027268 | Safety Block True Union | EPDM | 150 PSI |
| 1-1/4" | ST8-012 | 100027269 | Safety Block True Union | EPDM | 150 PSI |
| 1-1/2" | ST8-015 | 100027270 | Safety Block True Union | EPDM | 150 PSI |
| 2" | ST8-020 | 100027271 | Safety Block True Union | EPDM | 150 PSI |
| 3" | ST8-030 | 100027273 | Safety Block True Union | EPDM | 150 PSI |
| 4" | ST8-040 | 100027274 | Safety Block True Union | EPDM | 150 PSI |
Connection Note: This product family includes slip and threaded connection configurations. Verify the precise end connections for the selected part number before ordering. Do not substitute threaded and slip connections without confirming piping compatibility.
Technical Specifications
| Product Type | Safety Block True Union Ball Valve |
|---|---|
| Brand | Tigre DuraPlastic |
| Manufacturer Series | ST8 |
| Body Material | PVC |
| Valve Design | Safety Block |
| Union Configuration | True Union |
| Seal Material | EPDM |
| Operation | Manual Quarter-Turn Ball Valve |
| Connection Options | Slip or Threaded; Verify by Part Number |
| Available Nominal Sizes | 3/4", 1", 1-1/4", 1-1/2", 2", 3", 4" |
| Listed Pressure Rating | 150 PSI |
| Product Family | Valves |
Product Details
3/4" PVC Safety Block True Union Ball Valve
Part number ST8-007, SKU 100027267, is a 3/4" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
1" PVC Safety Block True Union Ball Valve
Part number ST8-010, SKU 100027268, is a 1" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
1-1/4" PVC Safety Block True Union Ball Valve
Part number ST8-012, SKU 100027269, is a 1-1/4" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
1-1/2" PVC Safety Block True Union Ball Valve
Part number ST8-015, SKU 100027270, is a 1-1/2" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
2" PVC Safety Block True Union Ball Valve
Part number ST8-020, SKU 100027271, is a 2" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
3" PVC Safety Block True Union Ball Valve
Part number ST8-030, SKU 100027273, is a 3" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
4" PVC Safety Block True Union Ball Valve
Part number ST8-040, SKU 100027274, is a 4" PVC Safety Block true union ball valve with EPDM seals and a listed pressure rating of 150 PSI.
Safety Block Valve Design
The ST8 series features a Safety Block ball valve configuration. Confirm that this valve design meets the installation and maintenance requirements of the intended piping system.
True Union Construction
The true union configuration allows the valve body to be separated from compatible end connections for servicing. Follow the manufacturer's installation and maintenance instructions.
Slip and Threaded Connection Options
The product family includes slip and threaded connection configurations. Confirm the exact connection type and thread standard, where applicable, before ordering.
PVC Construction
PVC provides a nonmetallic valve body for compatible piping applications. Verify material compatibility, operating temperature, and pressure requirements before installation.
EPDM Sealing Components
All seven listed configurations use EPDM seals. Compatibility depends on the fluid, chemical concentration, temperature, pressure, and operating conditions.
Manual Quarter-Turn Operation
The ball valve mechanism provides manual on/off flow control through quarter-turn operation.
150 PSI Pressure Rating
All seven listed configurations have a pressure rating of 150 PSI. Review the manufacturer's specification sheet for applicable temperature-related pressure limitations and service restrictions.

Product Resources & Support
Review the manufacturer's valve specification sheet for additional technical information. Need help confirming the correct Safety Block valve size, true union configuration, connection type, or EPDM compatibility? The GetPipe.com team can assist with product identification and selection.
Frequently Asked Questions
What type of valves are these?
These are Tigre DuraPlastic ST8 series PVC Safety Block true union ball valves with EPDM seals.
What sizes are available?
The listed nominal sizes are 3/4", 1", 1-1/4", 1-1/2", 2", 3", and 4".
What is a true union ball valve?
A true union ball valve has a removable valve body that can be separated from compatible end connections for servicing. Follow the manufacturer's instructions when installing or removing the valve.
Are these Safety Block ball valves?
Yes. These products belong to the manufacturer's ST8 Safety Block true union ball valve series.
Are these slip or threaded valves?
The product family includes slip and threaded connection options. Verify the exact end connections for the selected part number before ordering.
Can a threaded valve replace a slip connection valve?
Not without confirming the installation requirements. Slip and threaded connections use different joining methods and must match the intended piping system.
What are the part numbers for the 3/4" and 1" valves?
The 3/4" valve is ST8-007 (SKU 100027267), and the 1" valve is ST8-010 (SKU 100027268).
What are the part numbers for the 1-1/4" through 2" valves?
The part numbers are ST8-012 (1-1/4"), ST8-015 (1-1/2"), and ST8-020 (2").
What are the part numbers for the larger valves?
The 3" valve is ST8-030 (SKU 100027273), and the 4" valve is ST8-040 (SKU 100027274).
What material are these valves made from?
These valves feature PVC construction.
What type of seals are used?
All seven listed configurations use EPDM seals.
What is the pressure rating?
All seven listed configurations have a pressure rating of 150 PSI. Review the manufacturer's specifications for temperature and service limitations.
How are these valves operated?
These are manual quarter-turn ball valves used to open or close the flow path.
Can these valves be used with chemicals?
Suitability depends on the chemical, concentration, temperature, pressure, and compatibility with PVC and EPDM. Confirm all service conditions before installation.
Are these compact ball valves?
No. These products are identified as Safety Block true union ball valves, rather than the T1 series compact ball valves.
Can the valve body be removed for maintenance?
The true union configuration allows removal of the valve body from compatible end connections. Isolate and depressurize the system before maintenance and follow the manufacturer's instructions.
Where can I find technical documentation?
The Valves Specification Sheet is available in the Product Resources & Support section above.
Important Ordering Notes
This listing covers seven PVC Safety Block True Union Ball Valves with EPDM Seals, manufacturer part numbers ST8-007, ST8-010, ST8-012, ST8-015, ST8-020, ST8-030, and ST8-040. All seven have a listed pressure rating of 150 PSI. This product family includes slip and threaded connection configurations. Confirm the exact connection type, nominal size, material compatibility, and operating conditions before purchase. These are Safety Block true union ball valves and should not be confused with compact ball valve models.