Miniature diaphragm seals

Span with

• G1B

> 6 bar (> 87 psi)

• G1½B

> 2 bar (> 29 psi)

• G2B

> 600 mbar (> 8.7 psi)

Filling liquid

Silicone oil M5 or food oil (FDA-listed)

Material

• Main body
• Diaphragm

Stainless steel, Mat. No. 1.4404/316L

Stainless steel, Mat. No. 1.4404/316L

Maximum pressure

100 % of the nominal pressure of the pressure transmitter, but max. PN 400 (5802 psi) (depending on the seal used)

Working temperature range

Same as pressure transmitter

Temperature range of medium

Same as pressure transmitter

Max. recommended process temperature

150 °C (302 °F)

Weight

• G1B

Approx. 0.3 kg (approx. 0.66 lb)

• G1½B

Approx. 0.5 kg (approx. 1.10 lb)

• G2B

Approx. 0.8 kg (approx. 1.76 lb)

Certificates and approvals

Classification according to pressure equipment directive (DGRL 97/23/EC)

For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of article 3, paragraph 3 (sound engineering practice)

mm

(inch)

mm

(inch)

mm

(inch)

mm

(inch)

mm

(inch)

G1B

25

(0.98)

41

(1.61)

39

(1.53)

28

(1.1)

56

(2.21)

G1½B

40

(1.57)

55

(2.17)

60

(2.36)

30

(1.18)

50

(1.97)

G2B

50

(1.97)

60

(2.36)

70

(2.76)

30

(1.18)

63

(2.48)