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SJ Gauge threaded pressure gauge with welded diaphragm seal

Threaded Connection, Welded

Model: DIT-W
  • Fully welded design, without additional sealing
  • For hot, hazardous or toxic media
  • Mostly used in oil, gas and petrochemical industries
  • Responsive after-sales service / Customizable
  • High quality / One-year warranty
  • Product images are for reference only. Final specifications are based on the confirmed order.
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Description

The DIT-W welded diaphragm seal features a fully welded design without any additional sealing elements, making it ideal for hot, hazardous, or corrosive media. Its robust construction ensures stable pressure transmission and is widely used in oil, gas, petrochemical, and other high-safety industrial processes. Available in multiple thread sizes and materials (304/316/316L stainless steel, Hastelloy C276, Tantalum, Monel 400, Titanium, etc.), it can be paired with pressure gauges or transmitters, offering durability, reliability, and easy maintenance even in harsh environments.

Product Images

Pressure switch with diaphragm seal
Pressure switch with diaphragm seal
Pressure switch with capillary and diaphragm seal
Pressure switch with capillary and diaphragm seal
82mm Welded Diaphragm Seal Pressure Gauge
82mm Welded Diaphragm Seal Pressure Gauge

Downloads

English

SJ-Gauge-DIT-W-diaphragm-seal-datasheet-en

Traditional Chinese

SJ-Gauge-DIT-W-diaphragm-seal-datasheet-zh-tw

Specifications

Diameter48 mm, 70 mm, 82 mm, 90 mm
Process connection
  • Male, female, union nut and loose threaded
  • 1/4, 3/8, 1/2, 3/4, 1
  • PT, G, NPT, M
Instrument connection
  • 1/4, 3/8, 1/2
  • PT, G, NPT, M
Scale ranges
  • 48 mm
  • Pressure Gauge: 0 ... 4 bar to 0 ... 40 bar
  • Transmitter: 0 … 4 bar to 0 ... 40 bar
  • 70 mm
  • Pressure Gauge: -1 ... 3 bar, 0 ... 2.5 bar to 0 ... 60 bar
  • Transmitter: -1 ... 1 bar, 0 … 0.3 bar to 0 ... 60 bar
  • 82 mm
  • Pressure Gauge: -1 ... 60 bar
  • 90 mm
  • Pressure Gauge: -1 ... 1.5 bar, 0 ... 0.6 bar to 0 ... 60 bar
  • Transmitter: -1 ... 0.6 bar, 0 … 0.1 bar to 0 ... 60 bar
  • or all other equivalent vacuum or combined pressure and vacuum ranges
Material
  • Body:
  • 304 SS, 316 SS, 316L SS, Dual Phase Steel, Hastelloy C276, Tantalum, Monel 400, Titanium, Nickel 200
  • Diaphragm:
  • 316L SS, Hastelloy C276, Tantalum, Monel 400, Titanium, Nickel 200
Medium temperature0°C ... 80°C, 81°C ... 200°C, 201°C ... 400°C
OthersWelded with instrument, flush port

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