Needle valves for precise flow control can replace outlet nipples on regulators. Particularly recommended for laboratory installations.
   
 

  • 52-L : Outlet 9/16 x18 UNF left, inlet 1/4 NPT taper
  • 52-R : Outlet 9/16 x18 UNF right, inlet 1/4 NPT taper
  • 52 : Outlet 1/4" straight pipe thread, inlet 1/4 NPT taper

"Y" PIECES

"Y" piece for attaching two hose lines to same regulator. Assemble on regulator outlet

  • 37-L : with two needle valves (9/16 UNF left)
  • 37-R : with two needle valves (9/16 UNF right)
  • 37-L2 : without valves (9/16 UNF left)
  • 37-R2 : without valves (9/16 UNF right)


Diaphragm Valves
These valves are used in high purity systems where gas leakage and in-board diffusion of air or moisture must be kept to a minimum. The packless design has an inboard Helium leak rate of 1 x 10-9 cc/sec.

SPECIFICATIONS
Inlet: 1/4 MNPT or 1/4 FNPT
Outlet: 1/4 FNPT
Max. Inlet Pressure: 3000 PSIG
Seat Material: PCTFE (kel-f)
 

PART NO.

DESCRIPTION INLET/OUTLET
CONNECTION 		BODY
MATERIAL 		DIAP.
MATERIAL 		FLOW
COEFF.
9107069
9107071
9107073
9107070
9107072
9107074 		Reg. Outlet Valve
Reg. Outlet Valve
Reg. Outlet Valve
Instrument Valve
Instrument Valve
Instrument Valve 		1/4 NPT male / 1/4 NPT female
1/4 NPT male / 1/4 NPT female
1/4 NPT male / 1/4 NPT female
1/4 NPT female / 1/4 NPT female
1/4 NPT female / 1/4 NPT female
1/4 NPT female / 1/4 NPT female
Brass
Chrome Plated Brass
316 SS
Brass
Chrome Plated Brass
316 SS 		316 SS
316 SS
316 SS
316 SS
316 SS
316 SS
0.17
0.17
0.17
0.17
0.17
0.17



Needle Valves
These valves are used where a shut off feature or some degree of throttling is required.

SPECIFICATIONS
Inlet: 1/4 MNPT
Max. Inlet Pressure: 3000 PSIG
Seat Material: 316 SS
Packing Material: PTFE
Body Material: Brass

PART NO. BODY MATERIAL OUTLET
9100412 Brass 1/4¡± M
9100827 Chrome Plated Brass 1/4¡± M
9100927 Chrome Plated Brass 1/4¡± F



Adjustable Relief Valves
These relief valves may be used as an integral part of a pressure regulator or on equipment downstream of a regulator. The relief valves have a 1/4" NPT inlet and outlet thread to vent gases externally or remotely.

STAINLESS STEEL
PART
NO. 		MODEL
NO. 		PSIG
9100856
9100857
9100858
9100859
9100877 		RV-7050-SS
RV-7100-SS
RV-7250-SS
RV-7500-SS
RV-7800-SS 		0-50
0-100
0-250
0-500
0-800
BRASS
PART
NO. 		MODEL
NO. 		PSIG
9100852
9100853
9100854
9100855
9100876 		RV-7050-B
RV-7100-B
RV-7250-B
RV-7500-B
RV-7800-B 		0-50
0-100
0-250
0-500
0-800
CHROME- PLATED BRASS
PART
NO. 		MODEL
NO. 		PSIG
9100861
9100863
9100864
9100865
9100878 		RV-7050-CHR
RV-7100-CHR
RV-7250-CHR
RV-7500-CHR
RV-7800-CHR 		0-50
0-100
0-250
0-500
0-800