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Item # R431008537, Rexroth PowerMaster® Air Pilot Operated Valves (4 Way, 2 and 3 Position)


4 Way / 2 & 3 Position 1/4" - 1-1/4" NPTF Solenoid, Air Pilot & Mechanical Operators

TECHNICAL DATA:
Port Sizes: 1/4", 3/8", 1/2", 3/4", 1", 1-1/4" NPTF
Working Pressure:
    Maximum valve inlet air pressure: 150 psi (10.3 bar)
    Minimum air pilot pressure: 15 psi (1.0 bar) w/o return spring (all sizes)
    30 psi (2.1 bar) 1" and 1-1/4" valves w/return spring
    40 psi (2.8 bar) 1/2" and 3/4" valves w/return spring
    50 psi (3.4 bar) 1/4" and 3/8" valves w/return spring
    Valves can also be used for vacuum or dual pressure service when externally piloted.
Flow:
    Cv 2.39 (2390 Nl/min) 1/4" NPTF
    Cv 3.73 (3730 Nl/min) 3/8" NPTF
    Cv 6.17 (6170 Nl/min) 1/2" NPTF
    Cv 7.88 (7880 Nl/min) 3/4" NPTF
    Cv 13.61 (13,610 Nl/min) 1" NPTF
    Cv 15.75 (15,750 Nl/min) 1-1/4" NPTF
Temperature Range: -20ºF to +160ºF (-29ºC to 71ºC)
Media: Air and inert gases (In service higher than 18 cycles per minute or with continuous air flow, a lubricator is recommended.)
Materials:
    Bodies and operators: Die cast aluminum
    Spool: Machined from high-tensile aluminum, hard anodized, ground & polished to 8 micro-inch finish
    Seals: Buna-N, oil-resistant, and bonded to a metallic ring (Hl-Nitrile Buna-N seals are also available.
Manual Override: Non-Locking




Specifications  · Dimensions  · Electrical Data  · Features

Specifications

Model No.
PT 034104-1700
PT 34104-1700
PT-034104-01700
PT034104-1700
PT34104-1700

Port Size
3/8 in.

Pilot
Single Air Pilot

Type
Single Air Pilot valves

Weight
2.75 lb
1.25 kg


Dimensions

A
18 in.

B
6.63 in.
168 mm

C
3.00 in.
76 mm

D
1 1/2 in.
38 mm

E
1.00 in.
25 mm

F
2.56 in.
65 mm

G
0.69 in.
17.5 mm

H
1.88 in.
48 mm

J
0.69 in.
17.5 mm

K
1.13 in.
29 mm

L
1.50 in.
38 mm

M
1.94 in.
49 mm

N
1.06 in.
27 mm

O
1.56 in.
40 mm

P
0.28 in.
7.1 mm

Q
0.5 in.
12.7 mm

R
2 in.
51 mm

S
1.38 in.
35 mm

T
2.75 in.
70 mm


Electrical Data
Standard Voltage
(all coils are rated for continues duty)		 Power Consumption
Inrush Holding
120, 240 VAC 60 Hz 33 VA 22 VA
12, 24 VDC 12 W




Features
  • Response time. Actual test data shows only 175 milliseconds is required to fill a 250 cubic inch volume to 80% of line pressure with a normally closed solenoid operated valve. Where a spring is used to open the valve (normally open valve) only 253 milliseconds is required to fill the same volume.
  • Continuous-duty solenoid. Won’t burn out...even when energized for extended periods. Pilot operated for fast response.
  • Lightweight aluminum spool of extra large diameter assures high-speed performance. Requires only short movement to deliver high-capacity air flow. File-hard anodized surface, polished to an 8 micro-inch finish, withstands wear and abrasion; offers greatest sealing qualities, minimum friction and maximum speed. Spool is balanced so air pressure won’t affect its position.
  • Low-friction, positive sealing ring is actually two seals in one; an outer static seal and an inner dynamic seal bonded to a metallic spacer ring. The ring protects the inner seal from the radical compression absorbed by the other seal. Assures longest life with positive sealing.
  • Seal retainers keep inner and outer sealing surfaces in precise position for maximum reliability and efficiency. Combined with the non-compressible seal rings, Power- Master valve retainers eliminate tolerance build-up in the free stack height of both retainers and seals.
  • Free-floating piston with extra large surface area means faster response at lower pressures.
  • Manual non-locking overrides allow supplementary manual control an permits operating the valve when the electric power is off.
  • External pilot allows an independent air supply to be connected to the pilot port in the valve operator or subplate for air pilot pressure.
  • Wire leads of 24" allows simplified conduit wiring.
  • Solenoid coil removal. Unscrew hex nut and slip off the solenoid housing and coil.
  • Exhaust restrictors can be used in either or both exhaust port to provide speed control of cylinders. (Refer to Accessory Valve catalog SC-400.)



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