Hammer Union Pressure Transmitters

Model 509 Hammer Union Pressure Transmitter

Model 509 Hammer Union Pressure Transmitter

Our exclusive semi flush design provides a lower cavity volume to prevent clogging. This eliminates the need for tedious cleaning, especially in cementing applications.

Inquiry system 

Configure your own product according to your requirements and needs. If you are unsure of the configuration, provide us in the notes the necessary information about the existing sensor or product, even a competitor. We will be happy to help you find an alternative Viatran product. If your request is urgent, let us know. We will do our best to help you resolve this situation to your satisfaction as quickly as possible. If we have all the information, we are able to offer a model with minor differences, which is in stock and you can have another product available the next day.

If you need more information do not hesitate to contact us.

Viatran Configuration Code:

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Full Scale Pressure Ranges:
0-5K, 10K, 15K, 20K PSIG (0-345, 689, 1034, 1379 bar)
Combined Accuracy (BFSL):
(Non-Linearity, Hysteresis & Repeatability) ≤± 0.25% FSO
Full Scale Output (FSO):
16.00 mA ±1% FSO @70°F
  Zero Balance: 4 mA ±1% FSO @70°F
  Long-Term Stability: ≤±0.25% FSO per 6 months

Response Time:

≤2.5 mSec to reach 90% of FSO
  Compensated Temperature Range: -20°F to 185°F (-29°C to 85°C)
  Operating Temperature Range: -40°F to 200°F (-40°C to 93°C)
  Storage Temperature Range: -67°F to 302°F (-55°C to 150°C)
  Thermal Effect on Zero: ≤±1% FSO per 100°F (37°C)
Thermal Effect on Span: ≤±1% FSO per 100°F (37°C)



Output Signal:
4 - 20 mA at 70°F (21°C)
Supply Voltage:
9-30 Vdc (10.5 to 28 Vdc w/approval)
Power Supply Regulation Effect (Calibrated at 12 Vdc)
≤±0.01% FSO per Volt
  Load Impedance: 750 Ohms maximum at 24 Vdc
  Circuit Protection: Varistor protected across the input leads for surges above 1000V at 50 microseconds
  RFI / EMI:

<1% FSO output change with 3V Rms from 150 kHz to 80 MGz

(80% AM modulated at 1 kHz) applied to power supply and signal lines

[IEC 61000-4-6 radio frequency common mode immunity],

1% output change when exposed to a radiated electromagnetic

field of 10 V/m from 80 MHz to 1 GHz AM modulated at 1 kHz and 3 V/m

1.4 GHz to 2.7 GHz. [IEC 61000-4-3 Radiated electromagnetic field immunity]

Voltage Spike Protection: Withstand 1000 volt spike per EN 61000-4-5
Insulation Resistance: ≥100 MegOhms to case ground
Response Time: < 1 millisecond to reach 90% of FSO
Range Calibration Signal: 100% of FSPR
Calibration Power Supply Voltage: 9-30 Vdc at 15 mA nominal
Calibration Signal Accuracy: ≤±0.2% FSO. The exact signal to pressure correlation is provided with each unit
Bridge Resistance: 10K Ohms nominal
Standard Electrical Connection: Mates with Bendix P/N PT06E-10-6S or equivalent
PIN OUTS: PIN A +Power/Signal

PIN B -Power/Signal

PIN C No connection

PIN D No connection

PIN E +Calibration

PIN F -Calibration

Some models are provided with customer specified wiring. Consult Viatran for exact wiring connections.



Standard Pressure Port:
Male hammer union 2 inch #1502
Pressure Cavity Volume:
0.4 cubic inches
  Proof Pressure: 1.67 times the FS or 22.5K PSI (1550 bar) for union #1502
30K PSI (2068 bar) for union #2002 whichever is less
  Burst Pressure:

≥3 times FSPR, limited by union #1502: 22.5K PSI (1550 bar)




Wetted Materials:

Inconel X-750, heat treated per MR0175-2000

Enclosure Material:

304 stainless steel
Laser etched onto body
  Shock Limitation: 100 G’s
  Enclosure Rating: NEMA 4X
  Weight: 5.5 lbs nominal (2.4 kg)
  * Pending approvals




Special range


Special calibration run


CE label


CSA Intrinsic Safety label



FM Intrinsic Safety label


Low cavity volume sensor design


Russia Intrinsic Safety


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