ĐỒNG HỒ ÁP SUẤT WIKA 212.53

WIKA BOURDON TUBE PRESSURE GAUGE MODEL 212.53

Thông tin sản phẩm:

Vật liệu: Stainless Steel Case, Process Gauge

Tài liệu: Đồng hồ Wika

ỨNG DỤNG:

Intended for adverse service conditions where pulsating or vibration exists (with liquid filling).
Hydraulics and compressors
Suitable for gaseous or liquid media that will not obstruct the pressure system.

ĐẶC TRƯNG CỦA SẢN PHẨM:

Vibration and shock resistant (with liquid filling)
Stainless steel case
Pressure ranges up to 15,000 psi (1,000 bar)

THÔNG SỐ KỸ THUẬT

Tiêu chuẩn Thiết kế: ASME B40.100 & EN 837-1

Kích thước mặt đồng hồ: 2”, 2½” & 4” (50, 63 & 100 mm)

Độ chính xác:

2” & 2½”: ± 2/1/2% of span (ASME B40.100 Grade A)
4”: ± 1% of span (ASME B40.100 Grade 1A)

Thang đo:

Vacuum / Compound to 200 psi (16 bar)
Pressure from 15 psi (1 bar) to 15,000 psi (1,000 bar)
Pressure from 15 psi (1 bar) to 10,000 psi (700 bar) – 2” size or other equivalent units of pressure or vacuum

Áp suất làm việc:

2 & 2½”: Steady: ¾ full-scale value
Fluctuating: 2/3 full-scale value
Short time: full-scale value

Nhiệt độ vận hành:

Ambient: -40°F to +140°F (-40°C to +60°C) – dry
-4°F to +140°F (-20°C to +60°C) – glycerine filled
-40°F to +140°F (-40°C to +60°C) – silicone filled
Medium: +140°F (+60°C) maximum

Các lỗi nhiệt nhiệt độ: Additional error when temperature changes from reference temperature of 68°F (20°C) ±0.4% of span for every 18°F (10°K) rising or falling.

Weather protection: Weather tight (NEMA 4X / IP 66)

Pressure connection

Material: copper alloy
Lower mount (LM) or center back mount (CBM) –
Lower mount (LM) or lo er back mount (LBM) – 4”
⅛” NPT, ¼” NPT or ½” NPT limited to wrench flat area ABS (2” & 2½”) and white aluminum (4”)

Bourdon tube:

2” (50 mm) ≤ 870 psi (60 bar): C-shape copper alloy
2” (50 mm) > 870 psi (60 bar): Helical copper alloy
2½” (63 mm) ≤ 870 psi (60 bar): C-shape copper alloy
2½” (63 mm) > 870 psi (60 bar): Helical copper alloy
2½” (63 mm) > 6,000 psi (400 bar) : Helical stainless steel
4″ (100 mm) ≤ 1,000 psi (70 bar): C-shape copper alloy
4″ (100 mm) > 1,000 psi (70 bar): Helical stainless steel

Movement: Copper alloy

Dial: White ABS (2” & 2½”) and white aluminum (4”)

Pointer: Black aluminum

Case: 304 stainless steel with vent plug and stainless steel crimp ring. Suitable for liquid filling.

Case connection sealed with O-ring, (O-ring material dependent on the case fill):

2½”: EPDM O-ring for Glycerine case fill; Viton O-ring for Silicone fill
4”: EPDM O-ring for Glycerine or Silicone case fill; Viton O-ring for Halocarbon or Fluorolube fill

Window: Polycarbonate with Buna-N gasket

Case fill: Glycerine 99.7% – Type 213.53

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