Screwed Diaphragm

Screwed Diaphragm

Product Description

Model: DIF-DSR
Flanged Connection with Screwed Diaphragm

► Used for rigid working environments and corrosive fluids like high temperature, sewage, high process pressures, and crystallization
► Various types and materials for diaphragm seal bodies that fit any kind of gauge upon request
► The flush port provides easy cleaning/flushing due to process media being prone to clogging
► Extremely high compatibility replacement for the WIKA 990.12

✔ Responsive after-sales service / Customizable / High quality / One-year warranty

Illustration
Figure 1: Screwed diaphragm
Figure 2: Screwed diaphragm upper body
Figure 3: Screwed diaphragm + PTFE lining

Product Display

Product Specification

Type of process connection

ANSI/ASME B16.5, JIS, DIN 2527

Nominal diameter

1/2", 3/4", 1", 1 1/4", 1 1/2", 2"

Instrument connection
1/4", 3/8", 1/2"
PT, G, NPT, M

Scale ranges

Metal diaphragm
Pressure gauge:
1/2", 3/4": 0 … 4 bar to 0 … 40 bar
1", 1 1/4": 0 … 2.5 bar to 0 … 40 bar
1 1/2", 2": -1 … 0 bar to 0 … 40 bar
Transmitter: 
-1 … 0 bar to 0 … 40 bar
PTFE diaphragm
Pressure gauge: 
1/2", 3/4": 0 … 4 bar to 0 … 40 bar
1" … 2": -1 … 0 bar to 0 … 40 bar
Transmitter: 
0 … 0.4 bar to -1 … 40 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, Titanium
Monel 400, Nickel 200
Diaphragm:
316L SS, Hastelloy C276, Tantalum, Titanium
Monel 400, Nickel 200, Silicone, Viton
316L+PTFE

Medium temperature

0℃ ... 80℃ (standard), 81℃...200℃, 201℃...400℃

Others
Welded with instrument, flush port, coating (PTFE or PFA),
lining (metal or PTFE)

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