GRACO 246643 – Air Operated Heated Mastic Fluid Pressure Regulator, 3500 PSI

GRACO 246643 – Air Operated Heated Mastic Fluid Pressure Regulator, 3500 PSI

High-pressure mastic fluid regulator designed for ambient, air-operated temperature conditioned/heated applications. Features zinc-plated carbon steel, brass, and stainless steel construction with Viton and tungsten carbide wetted parts for durability and chemical resistance.

The heated mastic regulator is ideal for low to high viscosity warm-melt and hot-melt sealants or adhesives

Additional Specifications

Flow Rate: Viscosity of 25,000 CPS, 10 PSID Viscosity of 80,000 CPS, 10 PSID

Max Working Pressure: 100 – 3500 PSI (0.7 24.1 MPa, 7 241 bar) regulated fluid pressure; 5000 PSI (34.4 MPa, 344 bar) maximum inlet pressure

Material: zinc-plated carbon steel, brass, stainless steel, Viton, tungsten carbide

Operation: air operated

Port Type: transducer ports

Max Fluid Temp: 400°F (202°C)

Pressure Drop: Viscosity of 25,000 CPS, 10 PSID Viscosity of 80,000 CPS, 10 PSID

Weight: 17.75 lb (7.9 kg)

Outlet Configuration: side only

Heat Method: 240 VAC

Regulator Operation: Air-operated

Specifications

Actuation Type	Air
Flow Control Type	Regulation
Inlet Size (in)	3/4
Inlet Thread Gender	Female
Inlet Thread Type	NPT
Maximum Regulated Pressure (MPa)	24.1
Maximum Regulated Pressure (psi)	3500
Maximum Working Pressure (MPa)	35
Maximum Working Pressure (psi)	5000
Minimum Regulated Pressure (MPa)	0.7
Minimum Regulated Pressure (psi)	100
Outlet Size (in)	3/4
Outlet Thread Gender	Female
Type	Fluid Regulator

Features

Air operated for consistent performance

Designed for heated fluid plates

Equipped with transducer ports for monitoring

3/4 inch threading

Mastic regulator design for thick materials

Air-operated temperature conditioned/heated operation

Applications

Heated adhesive dispensing

Sealant application

Mastic material dispensing

Industrial fluid plate systems

High-pressure mastic fluid applications

Heated sealant dispensing

Compatible Equipment

Heated fluid plates with transducer ports

Related Parts

246642 – Mastic regulator, 3/4 in, air operated, for ambient fluid plates with transducer ports

244734 – Cartridge regulator with transducer ports for fluid plates

238748 – Repair kit, cartridge regulator

238747 – Fluid diaphragm repair kit, cartridge regulator

961635 – Air Operated Mastic Fluid Pressure Regulator

246687 – Stainless Air Operated Mastic Fluid Pressure Regulator, 3/4 NPT

243700 – 230 V Heated Fluid Pressure Regulator

This is a replacement/spare part specifically designed for heated applications, differentiating it from ambient temperature regulators Part of GRACO’s air- and spring-operated high pressure mastic fluid regulator family. Instruction Manual 307517. Part is listed on page 22 of the manual. This is a temperature conditioned/heated model with air-operated regulation.

Reference Manuals

300639 (Page 12) Graco PRECISIONFLO LT Brochure

336833 (Page 128) Single Component Catalog – Buyer’s Guide and Specifications

307517 (Page 3) Spring-Operated and Air-Operated, High Pressure Mastic Fluid Regulators

3A2098 (Page 5) PCF with PrecisionSwirl

406577 (Page 1) 246728 Spring Loaded Section Conversion Kit