GRACO 903958 - Stainless Spring Operated Mastic Fluid Pressure Regulator, 3/4 NPT
Spring operated mastic fluid pressure regulator designed for high-flow applications up to 1.5 gpm. Features carbon steel construction for durability and includes gauge port for pressure monitoring. Ideal for controlling fluid pressure in mastic and heavy material dispensing systems.
Specifications
- Flow Rate: 1.5 gpm max
- Thread: 3/4 npt
- Max Working Pressure: 1000 to 4500 psi (70 to 310 bar) standard, 400 to 1000 psi (28 to 70 bar) with low range spring kit
- Material: zinc-plated carbon steel, brass, stainless steel, Buna-N, urethane tungsten carbide
- Maximum Fluid Inlet Pressure: 5000 psi (34.4 MPa, 344 bar)
- Maximum Fluid Temperature: 140°F (60°C)
- Pressure Drop At 400 Cps: Viscosity of 25,000 CPS, 10 PSID
- Pressure Drop At 80000 Cps: Viscosity of 80,000 CPS, 10 PSID
- Weight: 13.5 lb (6.1)
- Instruction Manual: 307517
- Max Viscosity: 1000000 CPS
- Type: Spring operated
- Gauge Port: 3/4 F
- Gauge Included: Yes
Features
- Spring-operated design for consistent pressure regulation
- High range pressure capability (1000-4500 psi standard)
- Low range spring kit option (400-1000 psi)
- Handles high viscosity fluids up to 80,000 CPS
- Durable construction with tungsten carbide components
- Side and bottom outlet configuration
Applications
- Mastic fluid dispensing systems
- High pressure sealants and adhesives equipment
- Professional coating applications
- Industrial fluid regulation systems
- Mastic fluid pressure regulation
- High-pressure fluid control applications
Compatible Equipment
Related Parts
This is an ambient, spring-operated high range regulator with inlet and outlet ports at 3/4 npt size. Includes low range spring kit capability for versatile pressure control applications. This regulator is referenced in multiple repair kits and mounting brackets, indicating it's part of a comprehensive pressure regulation system family Part of the mastic fluid regulator family. Reference instruction manual 307317 for installation and operation details.
Reference Manuals
