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vacuum tubes

离岸价格

2000000 Piece Minimum Order

国:

China

モデル番号:

Solar Water Heater Parts

离岸价格:

（交渉可能） Get Latest Price

ロケーション:

china(mainland)

最低注文量の価格:

最低注文量:

2000000 Piece

パッケージの詳細:

carton

納期:

20 days

供給能力:

200000 Piece per Day

支払いタイプ:

T/T, L/C, Western Union

製品グループ :

今すぐお問い合わせください

Taian Yuexin Industry & Trade CO., LTD

China

無料会員

連絡先担当者 Ms. angelia

NO.317,Daizong Street,Taian,Shandong,China, Taian, Shandong

今すぐお問い合わせください

vacuum tubes

Features:

Vacuum tube
High solar-thermal conversion and low heat loss
Stable advanced coating up to **0
High level vacuum ensure operation under cold weather

Vacuum Tube technology:

Models	7×*0	8×*0
Weight	1.5±0.2kg	2.9±0.8kg
Structure	All-glass-coaxial double-layer tubes	All-glass-coaxial double-layer tubes
Outer tube diameter	*7±0.7mm	*8±0.7mm
Inner tube diameter	*7±0.7mm	*7±0.7mm
Outer Tube thickness	1.6±0.*5mm	1.8±0.*5mm
Inner tube thickness	1.6±0.*5mm	1.8±0.*5mm
Tubes length	***2±4mm	***2±4mm
Material of coating	Al N/Al N-SS/Cu	Al N/Al N-SS/Cu
Absorptance	0.4~0.6	0.4~0.6
Emittance	0.4~0.6	0.4~0.6
Vacuum	P≤5×***3pa	P≤5×***3pa
Transmittance of Outer Tube	0.*1	0.*1
Stagnation temperature (height)	0~0	0~0
Heat-loss coefficient	≤0.6w/ m2*)	≤0.6w/ m2*)
Bearing hailstone ability	hailstone diameter*5mm	hailstone diameter*5mm
Pressure-endure ability	1MPa	1MPa