1S/1U Valves
Offset Gauge Valves
- Screwed Bonnet
- 4000 psig CWP 6000 psig Test
- ¾” NPT Male Union Tank Connection
- ½” NPT Female Gauge Connection
- ½” NPT Female Drain Connection
Questtec Solutions offers several gauge valve & steam valve options suitable for a variety of applications. Our valves provide an automatic shut off for glass and steam level gauge products. QTS gauge valves and steam valves are available in a variety of arrangements.
2S/2U Valves
Offset Gauge Valves
- Screwed Bonnet
- 4000 psig CWP 6000 psig Test
- ¾” NPT Male Union Tank Connection
- ½” NPT Female Gauge Connection
- ½” NPT Female Drain Connection
3A-S/3A-U Valves
Offset OS&Y Valves
- Heavy Duty Outside Screw & Yolk
- 4000 psig CWP 6000 psig Test
- ½”, ¾” (Std.) or 1” NPT or IPS Solid Shank Tank
- Connection or Flanged Tank Connection
- ½” NPT Female Gauge Connection
- ½” NPT Female Drain Connection
Low Emissions Valve
The type 3A valve can be supplied with a package
that has been certified to the demanding API 624
Low Emissions Type Testing of Rising Stem Valves
Equipped with Graphite Packing for Fugitive Emissions
standard.
- Certified to API 624 Low Emissions
Standard, 1st Edition - Teadit Style 2236 Emissions Packing
certified to API 622 - USA forged valve body
4S/4U Valves
Straight-Thru Valves
- Renewable Internal Stem Bonnet
- 4000 psig CWP 6000 psig Test
- ¾” NPT Male Union Tank Connection
- ½” NPT Female Gauge Connection
- ½” NPT Female Drain Connection
Type 4 Valves have a ¾” NPT Male Vessel Connection as standard, with other connections available on application. Type 4 Straight-Thru Gage Valves are stocked in carbon steel with stainless steel trim. Teflon® packing is furnished as standard for temperatures not exceeding 450⁰ F; for higher temperatures not exceeding 700⁰ F, flexible graphite packing is standard. The Type 4 Valve utilizes a stainless steel ball-check to block fluid leakage from the vessel in the event of gage glass breakage. The Type 4 Valve is available with an optional backseating stem that extends the service life of the stem packing. An optional back seating stem is available on request.
5S/5U Valves
Straight-Thru OS&Y Valves
- Standard Outside Screw & Yoke
- 1440 psig CWP, 2160 psig Test (600 Ibs. Class)
- ¾” NPT Male Tank Connection
- ½” NPT Female Gauge Connection
- ½” NPT Female Drain Connection only
7S/7U Valves
Offset OS&Y Valves
- Standard Outside Screw & Yoke
- 1440 psig CWP, 2160 psig Test (600 Ibs. Class)
- ¾” NPT Male Tank Connection
- ½” NPT Female Union Gauge Connection
1T/2T Valves
Tubular Valves
- 4000 psig CWP 6000 psig Test
- ¾” NPT Male Union Tank Connection
- ⅝”O.D. Tubular Glass Gauge Connection
- ½” NPT Female Drain Connection
1TC Valves
Tubular Gauge Valves
- Carbon Steel & 316 Stainless Steel
- 5/8” or ¾” OD Glass Connections
- ½” or ¾” Rigid Vessel Connections
- Red Line Pyrex, Heavy Wall, & High Pressure Glass
- Stainless Steel Ball Check
- Plain closing stem
- Straight pattern body
- Valve Pressure & Temperature Rating per Glass Rating
Tubular (Brass) Valves
Low Pressure Tubular Valve
- ½” NPT Male Tank Connection
- 5/8” OD Tubular Glass Connection
- Brass Ball Check
- 5/8” OD Red Line Pyrex & Heavy Wall Glass Available
- Two Carbon Steel Guard Rods
SV-450 Valves
Gauge Valve
- Body: SA-105 CS
- Trim: 416 SST
- Stem Packing: Grafoil
- Stuffing Box Packing: Grafoil
SV-1600A Valves
Steam-Trac Water Gauge Valve
- Outside Screw and Yoke Design
- 90º Angle Flow Path
- Bolted Bonnet
- Offset Valve Body
- Back Seating Stem
- Reciprocating Stem
Conval Clampseal® Valves
- Cartridge Replaceable Packing Chamber
- Acme Body
- Pressure Actuated Backseat
- Electroless
- Integral Gland Wrench
- Single Piece Packing Gland
- Optional Live Loaded Gland
- Unique Pressure Seal Bonnet
- Self Aligning Seating
- Solid Sellite™ Seat and Disc
T-Pattern Stop, Check and Stop Check Valves
- Available in 1/2″ to 3″
- ASME pressure classes through:
- 4095, A105, F22, F91, F316, F347,
- Inconel ™, Monel™ and other materials.
