Pressure gauge, DirectDrive version

Name: Pressure gauge, DirectDrive version
Brand: WIKA
SKU: PG81/91

DirectDrive pressure gauges with spiral (PG81) and helical (PG91) tube for measurement of static pressures in dry, gaseous media, suitable for cylinder filling pressure indication in medical and industrial gases.

Protection

IP65/IP67

UL 252AUL 404CEEN 837-1ISO 10297UL

Price

On request

Depends on configuration

Request a quote

+38 (067) 285-77-70·info@avigan.com.uaViberTelegram

Special features

Good vibration and shock resistance
Compact and robust design
Scale ranges to 0 ... 450 bar [0 ... 6,500 psi]
Stainless steel case, NS 36 [1.4"] and NS 41 [1.6"]
Ingress protection IP65 and IP67 available

Identification

Model	PG81, PG91
Product family	PG
Subcategory	Pressure gauge

Operating environment

Ambient temperature	−20…+65 °C
IP rating	IP65/IP67
Weight	0.021 kg

Certifications and approvals

Certifications

UL 252AUL 404CEEN 837-1ISO 10297UL

Additional details

Datasheet languages

EN, DE

Tables from datasheet

Further details on: scale ranges

Unit	■ bar ■ psi ■ kg/cm² ■ kPa ■ MPa
Dial
Scale angle	≤ 160° ±15°
Scale layout	■ Single scale ■ Dual scale
Scale colour	Single scale	Black
Dual scale	Black/red
Material	Aluminium
Customer-specific version	Other scales, e.g. with red mark, circular arcs or circular sectors, on request
Pointer	Copper alloy, black

Process connection
Standard	■ EN 837-1 ■ ISO 7 ■ ANSI/B1.20.1
Size
EN 837-1	■ G⅛B,male thread ■ G¼B,male thread
ANSI/B1.20.1	■ ⅛NPT, male thread ■ ¼NPT, male thread
ISO 7	■ R ⅛, male thread ■ R ¼, male thread
Restrictor	■ Without ■ ∅0.3 mm[0.012"], copper alloy ■ ∅0.1 mm[0.004"], copper alloy ■ Reduced measuring element diameter (only model PG91 with helical tube)
Material (wetted)
Process connection	Copper alloy
Bourdon tube	Copper alloy

Operating conditions

Medium temperature range	-20 ...+65 °C [-4 ...+149 °F]
Ambient temperature range	-20 ...+65 °C [-4 ...+149 °F]
Storage temperature range	-40 ...+70 °C [-40 ...+158 °F]
Pressure limitation
Steady 1)	3/4 x full scale value
Fluctuating	2/3 x full scale value
Short time	Full scale value
Ingress protection per IEC/EN 60529	■ IP65 ■ IP67

Logo	Description	Region
	EU declaration of conformity Pressure Equipment Directive PS > 200 bar, module A, pressure accessory	European Union
	UL UL approval per UL 252A (only for model PG81) UL approval per UL 404 (only for scale ranges from 0 ... 100 bar [0 ... 1,500 psi])	North America

View all (7)

Certificates

Certificates	■ 2.2 test report per EN 10204 (e.g. state-of-the-art manufacturing, indication accuracy) ■ 3.1 inspection certificate per EN 10204 (e.g. indication accuracy)

NS	G	Dimensions in mm[in]	Weight in kg [lb]
S3 SW D	b1 ±0.5 [±0.02]	b2 ±1.5 [±0.06]	S3	SW
36 [1.4"]	21,5 [0.85] G⅛B	10 [0.39] 12 36 [1.42]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.021 [0.046]
26,5 [1.04] G¼B	15 [0.59] 14 36 [1.42]	11.5 [0.45]	26.5 [1.04]	15 [0.59]	14 [0.55]	Approx. 0.021 [0.046]
[0.45] 21,5 [0.85] ⅛NPT	10 [0.39] 12 36 [1.42]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.021 [0.046]
[0.96] ¼NPT	36 [1.42]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.021 [0.046]
24,5 R⅛	13 [0.51] 14 36 [1.42]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.021 [0.046]
R¼	36 [1.42]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.021 [0.046]
41 [1.6"]	G⅛B	41 [1.61]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.024 [0.053]
G¼B	41 [1.61]	11.5 [0.45]	26.5 [1.04]	15 [0.59]	14 [0.55]	Approx. 0.024 [0.053]
⅛NPT	41 [1.61]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.024 [0.053]
¼NPT	41 [1.61]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.024 [0.053]
R⅛	41 [1.61]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.024 [0.053]
R¼	41 [1.61]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.024 [0.053]

NS	G	Dimensions in mm[in]	Weight in kg [lb]
[inch] ± 1 D	b1 ±0.5 [±0.02]	b2 ±1 [±0.04]	S3	SW
G1/8B 36 [1.4"]	b [ ± 0.02] b2 [ ± G⅛B	0.04] S3 SW 36 [1.42]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.021 [0.046]
21,5 G¼B	[0.85] 10 [0.39] 12 36 [1.42]	11.5 [0.45]	26.5 [1.04]	15 [0.59]	14 [0.55]	Approx. 0.021 [0.046]
11,5 [0.45] 26,5 ⅛NPT	[1.04] 15 [0.59] 14 36 [1.42]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.021 [0.046]
21,5 ¼NPT	[0.85] 10 [0.39] 12 36 [1.42]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.021 [0.046]
24,5 R⅛	[0.96] 13 [0.51] 14 36 [1.42]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.021 [0.046]
R¼	36 [1.42]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.021 [0.046]
41 [1.6"]	G⅛B	41 [1.61]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.024 [0.053]
G¼B	41 [1.61]	11.5 [0.45]	26.5 [1.04]	15 [0.59]	14 [0.55]	Approx. 0.024 [0.053]
⅛NPT	41 [1.61]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.024 [0.053]
¼NPT	41 [1.61]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.024 [0.053]
R⅛	41 [1.61]	11.5 [0.45]	21.5 [0.85]	10 [0.39]	12 [0.47]	Approx. 0.024 [0.053]
R¼	41 [1.61]	11.5 [0.45]	24.5 [0.96]	13 [0.51]	14 [0.55]	Approx. 0.024 [0.053]

Pressure gauge, DirectDrive version

Special features

1 standard articles of family PG