QLL Type

Specifications

• STANDARD LENGTH ROUND HANDLE MANUAL
• PRESSURE RATING: 3500 PSIG
• FLOW COEFFICIENT: Cv =.13
• SEAT ORIFICE SIZE: .125 DIAMETER
• STANDARD SEAT MATERIAL: PCTFE
• TEMPERATURE LIMITS : -65F to 150F
• MAX ALLOWABLE SEAT LEAKAGE: 2 x 10-8 ATM cc/sec He
• MAX INBOARD LEAKAGE: 2 x 10-8 ATM cc/sec He
• WETTED DIAPHRAGM: 316L SST
• STANDARD BOTTOM MOUNT: 2 x #10-32 TAPPED HOLES ON A 1” BOLT CIRCLE
• OPTIONAL PANEL MOUNT: PANEL HOLE SIZE: 57/64”

Features and Benefits

• BAR STOCK CONSTRUCTION
• SPRINGLESS DESIGN
• METAL DIAPHRAGM SEALED
• POSITIVE SHUT-OFF
• QUICK ACTING OPEN TO CLOSE
• LOW INTERNAL VOLUME
• HIGH CYCLE LIFE
• ULTRASONICALLY DI CLEANED
• 100% HELIUM LEAK TESTED

Additional Configuration Options

• PANEL MOUNT OPTION AVAILABLE ON REQUEST
• ELECTROPOLISHED ID SURFACE AVAILABLE ON REQUEST
• CUSTOM MATERIALS AND CONFIGURATIONS AVAILABLE ON REQUEST