Marquest Scientific, Inc. - Deck Mount Swivel Lab Faucet (Ball Valve)

Deck Mount Lab Faucets with 360° Swivel Gooseneck (+GF+ 1/4 Turn Ball Control Valve): PVC, Natural Polypropylene, and PVDF

These high-purity lab faucets feature an integrated swivel union that enables complete 360° rotation of the gooseneck without loosening any components, delivering superior flexibility and ease of use. Engineered for distilled, deionized, RO, ultra-filtered water, and chemical dispensing applications, the series delivers up to 6.5 GPM at 80 PSI. Injection-molded construction and a heavy-wall, custom-extruded gooseneck provide rigidity and durability. Available in PVC, unpigmented Natural Polypropylene, and PVDF.

360° Swivel Gooseneck — Integrated swivel union provides full, free rotation while maintaining seal integrity.
+GF+ 1/4 Turn Ball Control Valve — Quick on/off actuation with PTFE seats and FKM O-rings for smooth operation and chemical resistance.
Flow Performance — Maximum 6.5 GPM @ 80 PSI.
Removable Serrated Barb Tip — Accepts 1/4"–1/2" I.D. tubing; removing the tip leaves a 1/4" Female NPT outlet.
Rugged Build — Injection-molded body with heavy-wall, custom-extruded gooseneck for increased rigidity.
Material Options — PVC, Natural Polypropylene (unpigmented), and PVDF to match purity and chemical compatibility needs.
Standards — Materials designed to meet or exceed FDA, USDA, and USP expectations.

Inlet Connections

Standard 3/8" Female NPT inlet. Each faucet includes a Jaco 3/8" O.D. × 3/8" MNPT compression tube fitting (material matched to faucet body: polypropylene for PP, PVDF for PVDF, etc.).

Deck Panel Mounting

Includes 3" through-deck nipple shank, ring nut, and casual-water gasket. Requires a 1" diameter mounting hole; maximum deck thickness 3".

Max Pressure Ratings

PVC: 180 PSI @ 72°F
Natural Polypropylene: 150 PSI @ 72°F
PVDF: 220 PSI @ 72°F

Materials of Construction

Body & Gooseneck: Injection-molded/extruded PVC, Natural Polypropylene, or PVDF (unpigmented for PP/PVDF)
Valve Seats: PTFE (in +GF+ ball valve)
Valve & Swivel Seals: FKM O-rings

For additional specifications and downloads, please refer to the individual item numbers below.

Unit of Measure

Items	LG-DBSU-R1 Laboratory Gooseneck Faucet, PVC, Deck Mount, w/ +GF+ Ball Valve, Swivel Union, 3/8" Female NPT Inlet Supply Connection, Right Handle List Price $339.95	LG-DBSU-L1 Laboratory Gooseneck Faucet, PVC, Deck Mount, w/ +GF+ Ball Valve, Swivel Union, 3/8" Female NPT Inlet Supply Connection, Left Handle List Price $339.95	LG-DBSU-F1 Laboratory Gooseneck Faucet, PVC, Deck Mount, w/ +GF+ Ball Valve, Swivel Union, 3/8" Female NPT Inlet Supply Connection, Front Handle List Price $339.95	LG-DBSU-B1 Laboratory Gooseneck Faucet, PVC, Deck Mount, w/ +GF+ Ball Valve, Swivel Union, 3/8" Female NPT Inlet Supply Connection, Back Handle List Price $339.95	LG-DBSU-R2 Laboratory Gooseneck Faucet, Natural Polypropylene, Deck Mount, w/ +GF+ Ball Valve, Swivel Union, 3/8" Female NPT Inlet Supply Connection, Right Handle List Price $561.50
Materials	N/A PVC	N/A PVC	N/A PVC	N/A PVC	N/A Polypro
Configuration	N/A Right Handle	N/A Left Handle	N/A Front Handle	N/A Back Handle	N/A Right Handle
Inlet Connection	N/A 3/8" Fem NPT
Max PSI	N/A 180 PSI
Options	N/A Swivel