SPIR STAR®

SAMI Instruments

NPT Needle Valves

MAWP 15,000 psi

NPT Needle Valve Components

SAMI INSTRUMENTS NPT needle valves are designed for liquid and gas flow control. Available in a variety of body styles, the valves are suitable for manual operation in temperature ranging from -100°F to 600°F (-73°C to 315°C). SAMI INSTRUMENTS high pressure valves are available in various tubing sizes to satisfy different requirements.

Specifications

  • Pressure 15,000 psi ( 1034 Bar )
  • Connections from 1/4" to 1/2" NPT-F
  • Non-rotating stem prevents galling and scoring
  • Stem sleeve and packing gland materials have been selected to achieve extended thread cycles and reduced handle torque.
  • Standard materials of construction include 316 L cold-worked stainless steel and glass-filled PTFE.

Models Information

Pipe Size (in.) MAWP (psi) Stem Type 2-way Straight 2-way Straight M X F
1/4" 15,000 Vee HVNF4-15K ---------
3/8" 15,000 Vee HVNF6-15K ---------
1/2" 15,000 Vee HVNF8-15K HVNF8-NM8-15K
--------- --------- --------- View Product Image View Product Image

 

Soft Seat Check Valves

NPT Needle Soft Seat Check Valve Diagram

Use the diagram on the left hand side to find the referenced component dimension listed in the chart below.

Part Number Pipe Size MAWP (psi) A (in.) B Hex (in.) C Hex (in.)
CV-NF4-SS 1/4" 15,000 3.11 0.875 0.875
CV-NF6-SS 3/8" 15,000 3.51 1.00 1.00
CV-NF8-SS 1/2" 15,000 4.20 1.26 0.315

 

Ball Check Valves

NPT Needle Ball Check Valve Diagram

Use the diagram on the left hand side to find the referenced component dimension listed in the chart below.

Part Number Pipe Size MAWP (psi) A (in.) B Hex (in.) C Hex (in.)
CV-NF4-BS 1/4" 15,000 3.11 0.875 0.875
CV-NF6-BS 3/8" 15,000 3.51 1.00 1.00
CV-NF8-BS 1/2" 15,000 4.20 1.26 0.315

 

NPT Accessories

Pipe Size (in.) Female Elbow Street Elbow 45° Elbow Female Tee Male Street Tee Female Cross Plug Cap
1/4" HENF4 HSENF4 HENF4-45 HTNF4 HSTNF4 HCRNF4 HNM4-PLUG HNF4-CAP
3/8" HENF6 HSENF6 HENF6-45 HTNF6 HSTNF6 HCRNF6 HNM6-PLUG HNF6-CAP
1/2" HENF8 HSENF8 HENF8-45 HTNF8 HSTNF8 HCRNF8 HNM8-PLUG HNF8-CAP
3/4" HENF12 --- HENF12-45 HTNF12 --- HCRNF12 HNM12-PLUG HNF12-CAP
1" HENF16 --- --- HTNF16 --- HCRNF16 HNM16-PLUG HNF16-CAP

 

Round Nipples

Pipe Size (in.) 2.00 " (in.) 3.00 " (in.) 4.00 " (in.) 6.00 " (in.)
1/4" HNM4-2.00 --- HNM4-4.00 HNM4-6.00
3/8" HNM6-2.00 HNM6-3.00 HNM6-4.00 HNM6-6.00
1/2" HNM8-2.00 HNM8-3.00 HNM8-4.00 HNM8-6.00
3/4" --- HNM12-3.00 HNM12-4.00 HNM12-6.00
1" --- HNM16-3.00 HNM16-4.00 HNM16-6.00

 

Hex Nipples

Pipe Size (in.) 3.00 " (in.) 4.00 " (in.) 6.00 " (in.)
1/4" HNM4-3.0-HX --- HNM4-6.0-HX
3/8" --- --- ---
1/2" HNM8-3.0-HX HNM8-4.0-HX HNM8-6.0-HX

 

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