WINTERS INSTRUMENTS


100 Series


Optional Back Flange

4" Dial, Center Back

  • Versatile pressure instrument available in various configurations and utilized in both HVAC (steam) and Industrial applications.

Specifications:

Dial: 3 1/2"(90mm), 4”(100mm), 4 1/2" (115mm) or 6”(150mm)
Case: Black steel or aluminum
Lens: 3 1/2" (90mm), 4 1/2" (115mm) bottom connection and 6" (150mm) glass, all others polycarbonate
Ring: 3 1/2" (90mm), 4" (100mm) & 4 1/2" (115mm) bottom connection, polished brass, 6" (150mm) bottom connection, steel painted black
Pointer: Aluminum, black, adjustable
Wetted Parts: Brass
Connection: 1/4” NPT connection bottom or back
Accuracy: 1% full scale accuracy, ANSI/ASME Grade 1A
Applications:
  • Measurement of steam, air, oil, water, and other pressure media which have no effect on bronze


How to Order: Specify product code

Product Codes
Dial Size
3.5" (90mm)
4" (100mm)
4.5" (115mm)
6" (150mm)
Case Material
Steel
Steel
Aluminum
Steel
Aluminum
Connection
Bottom
Centre Back
Centre Back
Bottom
Lower Back
Bottom
Lower Back

30" Hg. Vacuum/kPa

Q234
Q560
Q460
Q410
Q430
Q250
Q475

30"-0-15 psi/kPa

Q230
Q568
Q468
Q411
Q431
Q251C
Q476

30"-0-30 psi/kPa

Q231
Q569
Q469
Q412
Q432
Q252C
Q477

30"-0-60 psi/kPa

Q232
Q570
Q470
Q413
Q433
Q259C
Q478

30"-0-100 psi/kPa

Q233
Q571
Q471
Q414
Q434
Q253C
Q479

30"-0-160 psi/kPa

Q229
Q572
Q472
Q416
Q436
Q254C
Q480

30"-0-200 psi/kPa

*
Q573
*
Q417
Q437
Q255C
Q481

30"-0-300 psi/kPa

Q227
Q574
Q473
Q418
Q438
Q256C
Q482

0-15 psi/kPa

Q228
Q561
Q461
Q419
Q439
*
*

0-30 psi/kPa

Q235
Q562
Q462
Q420
Q440
Q251
Q483

0-60 psi/kPa

Q236
Q563
Q463
Q421
Q441
Q252
Q484

0-100 psi/kPa

Q237
Q564
Q464
Q422
Q442
Q253
Q485

0-160 psi/kPa

Q238
Q565
Q465
Q423
Q443
Q254
Q486

0-200 psi/kPa

Q239
Q566
Q466
Q424
Q444
Q255
Q487

0-300 psi/kPa

Q240
Q567
Q467
Q426
Q446
Q256
Q488

0-600 psi/kPa

*
*
*
Q490
*
*
*

0-1000 psi/kPa

*
*
*
Q491
*
*
*

0-3000 psi/kPa

*
*
*
Q492
*
*
*

0-5000 psi/kPa

*
*
*
Q493
*
*
*

Options:

  • QBF = back flange, all sizes.
  • U-clamp available upon request.
  • Other connections available upon request.
  • Other ranges available upon request.
  • (* Syphon recommended for all steam applications)